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1131 results about "Aminal" patented technology

An aminal or aminoacetal is a functional group or type of organic compound that has two amine groups attached to the same carbon atom: -C(NR₂)(NR₂)-. (As is customary in organic chemistry, R can represent hydrogen or an alkyl group).

Quaternary Ammonium Salt of a Polyalkene-Substituted Amine Compound

A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) polyalkene-substituted amine having at least one tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
Owner:THE LUBRIZOL CORP

Quaternary Ammonium Salt Detergents for Use in Fuels

A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
Owner:THE LUBRIZOL CORP

Amino acid substituted-cresyl violet, synthetic fluorogenic substrates for the analysis of agents in individual in vivo cells or tissue

The present invention concerns a method to detect the presence of an enzyme in in vivo or in vitro tissue or cell, which method comprises:(a) obtaining a tissue or cell sample to be analyzed;(b) contacting the tissue or cell sample with a substrate of the structure selected from the group consisting of:X=H or one or more natural or synthetic amino acids with or without amino blocking groups,Y=H or one or more natural or synthetic amino acids with or without amino blocking groups,wherein X and Y are the same or different and are amino acid sequences of between about 1 to 1,000,000 amino acids wherein each amino acid is the same or a different amino acid, with the proviso that at least one of X or Y is at least one amino acid;(c) when an enzyme is present in the tissue or cell sample which degrades X, Y and combinations thereof, fluorescent cresyl violet is released in the tissue sample producing a color change;(d) detecting the presence and amount of the enzyme present by the detection and quantification of the fluorescence produced; and(e) optionally comparing the fluorescence to a pre-calibrated fluorescence scale to quantify the fluorescence present. A diagnostic kit for use and a method to prepare amino acid cresyl violet derivatives are described.
Owner:MP BIOMEDICALS

Quaternary Ammonium Salt of a Mannich Compound

A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) Mannich reaction product having a tertiary amino group, said Mannich reaction product being prepared from the reaction of a hydrocarbyl-substituted phenol, an aldehyde, and amine; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
Owner:THE LUBRIZOL CORP

Method of making an anti-reflection coating

InactiveUS6177131B1Reducing and eliminating reflectionReduce and even reflectionSolar heat devicesPretreated surfacesSilanesRefractive index
A method of and a solution for making a highly porous optical antireflection coating of a selectively designed index of refraction, by applying a colloidal dispersion derived from hydrolytically condensing, in the presence of water and a catalyst, one or more silicon compounds of the general formula RaSiX4-a, or precondensates derived therefrom, to a substrate. In the formula, R is an organic group having from 1 to 10 carbon atoms which may be interrupted by oxygen atoms and / or sulfur atoms and / or amino groups, X is hydrogen, halogen, hydroxy, alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl or NR'2, R' being hydrogen, alkyl or aryl and a being 0, 1 or 2. The solution also contains colloidally dispersed organic polymers at a molar ratio, relative to the silane, between 0.1 mmol / mol silane and 100 mmol / mol silane, the median molecular mass of the polymer being between 200 and 500,000. Sol-vents, preferably alcohol, may also be present in the solution. After being applied to an optical substrate, the solution is dried and organic components are removed from it to leave a porous coating of predetermined index of refraction.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV

Fused polynuclear compound and organic luminescence device

An organic luminescence device is constituted by a pair of an anode and a cathode, and at least one organic luminescence function layer disposed between the anode and the cathode. At least one organic luminescence function layer described above includes a layer of a fused polynuclear compound represented by the following formula (I): wherein R1, R2, R3 and R4 independently denote hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group or cyano group; and Ar1 and Ar2 independently denote a substituted or unsubstituted fused polynuclear aromatic group or a substituted or unsubstituted fused polynuclear heterocyclic group.
Owner:CANON KK

Composite semipermeable membrane and method for producing same

A composite semipermeable membrane comprising a porous support membrane on which a separating functional polyamide layer resulting from the polycondensation reaction of polyfunctional aromatic amines with polyfunctional acid halides is formed, wherein the separating functional polyamide layer has carboxy groups, amino groups, phenolic hydroxyl groups, and azo groups, wherein XA, the ratio of the amino groups (molar equivalent of the amino groups / (molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a feed water contact surface of the separating functional polyamide layer (an A surface), is in the range 0.5 or less, and XB, the ratio of the amino groups (molar equivalent of the amino groups / (molar equivalent of the azo groups+molar equivalent of the phenolic hydroxyl groups+molar equivalent of the amino groups)) on a permeate-side surface of the separating functional polyamide layer (a B surface), i.e., the opposite side to the A surface, is in the range of 0.5 to 1. The present invention provides a composite semipermeable membrane that achieves a balance between high solute removal properties and a high permeate flow rate and has high organic-solvent resistance, and a method for producing same.
Owner:TORAY IND INC

Organic electroluminescent materials and devices made from such materials

Organic electroluminescent materials having desirable efficiency, weight, and durability properties, as well as devices made from such materials. In one aspect, an organic electroluminescent material is electroluminescently conductively coupled directly with an anode and cathode such that the organic electroluminescent material emits light upon the application of a voltage across the anode and cathode. The organic electroluminescent material includes an organo-siloxane polymer having a main chain comprising anthracene and / or pentacene. The anthracene or pentacene can be substituted optionally with hydrogen, alkyl, aryl, heteroalkyl, heteroaralkyl, nitro, cyano, hydroxy, alkoxy, aryloxy, thio, alkylthio, arylthio, amino, halogen, dialkylamino, diarylamino, diaralkylamino, arylamino, alkylamino, arylalkylamino, carbonyloxy, carbonylalkoxy, carbonylalkyloxy, alkylcarbonyloxy, arylcarbonyloxy, alkoxylcarbonyloxy, sulfonyl, sulfonyloxy, alkyl bonded to the adjacent silicon atom of the organo-siloxane polymer, aryl bonded to the adjacent silicon atom of the organo-siloxane polymer, or the adjacent silicon atom of said organo-siloxane polymer.
Owner:ORGANIC DISPLAY TECH

Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same

The invention has an object of safely and simply preparing a large amount of a ruthenium metathesis catalyst, which is used as a catalyst for a carbon-carbon bond formation using, particularly, a metathesis reaction. The metathesis catalyst has the following complex composition (A) or (B). The composition (A) includes RuX12(arene)(PR1R2R3) and R4CHX22, R5C=CH or R4CHX2 and a reducing agent, wherein X1 and X2 respectively are a halogen atom; arene is a hydrocarbon having a benzene ring; R1, R2 and R3, which may be the same or different, respectively are an alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-8 carbon atoms or an optionally substituted aryl group, wherein the substituent group is an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkylamino group having 1-8 carbon atoms or a halogen atom; R4 is an alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, an optionally subsituted aryl group, wherein the substituent group is a halogen atom or a hydroxyl group; or cycloalkyl group having 3-8 carbon atoms; and R5 is an optionally substituted alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, wherein the substituent group is a halogen atom or a hydroxyl group, an aryl group or a cycloalkyl group having 3-8 carbon atoms. The composition B includes [RuX12(arene)]2, PR1R2R3, R5C=CH or R4CHX2 and a reducing agent, wherein X1, arene, R1, R2, R3, R4 and R5 are the same as defined above.
Owner:TAKASAGO INTERNATIONAL CORPORATION

Fuel additive for improved performance in fuel injected engines

A fuel composition for a fuel injected diesel engine, a method for improving performance of fuel injectors and a method for cleaning fuel injectors for a diesel engine. The fuel composition includes a major amount of fuel and a minor effective amount of a reaction product of (i) a hydrocarbyl substituted compound containing at least one tertiary amino group and (ii) a halogen substituted C2-C8 carboxylic acid, ester, amide, or salt thereof, wherein the reaction product as made is substantially devoid of free anion species.
Owner:AFTON CHEMICAL

Iridium complex phosphor material taking phthalazine derivative as ligand and preparation method thereof

The invention discloses an iridium complex phosphor material taking a phthalazine derivative as a ligand. The structure of the material is shown as formulas (I) and (II), wherein Ar represents aryl, substituted aryl, heterocycle aryl and substituted heterocycle aryl; R can be one of a halogen atom, alkyl, substituted alkyl, alkoxyl, aryloxy, an alkylthio group, arylthio, aromatic amino, aliphatic amino or a heterocyclic substituent; L^Y can be one of N-COOH, 8-hydroxyquinoline, beta-diketone, N^NH and the like; N^N can be bipyridyl, diquinoline, 1,10-phenanthroline, a derivative of the 1,10-phenanthroline and the like; and Z can be hexafluorophosphate and perchlorate. A dicyclic or ionic iridium complex phosphorescent electroluminescent device taking the phthalazine derivative as the ligand obtained with the preparation method has high internal and external quantum yields, high luminance and high stability. A dicyclic iridium complex is shown as a formula (I), i.e., (C^N)2Ir(L^Y); and an ionic iridium complex is shown as a formula (II), i.e., (C^N)2Ir(N^N)<+>Z<->.
Owner:NANJING UNIV OF POSTS & TELECOMM

Water-soluble chitosan quaternary ammonium salt antibiotic finishing agent and preparation and application thereof

The invention relates to a water-soluble chitosan quaternary ammonium salt antibiotic finishing agent. The invention is characterized in that the antibiotic finishing agent is names as O-methacrylamide-N-hydroxypropyl alkyl dimethyl ammonium chloride chitosan and the concrete structural formula is as follows. The preparation thereof includes that: alkyl dimethyl tertiary amide and epichlorohydrin are taken as raw materials to synthesize 2, 3-epoxy alkyl dimethyl ammonium chloride, then the 2, 3-epoxy alkyl dimethyl ammonium chloride is introduce onto the ammonium group of chitosan, so as to obtain N-hydroxypropyl alkyl dimethyl ammonium chloride chitosan HDCC, and then crosslinking is carried out on the HDCC and hydroxymethyl acrylamide is carried out, thus obtaining NMA-HDCC. The quaternary ammonium salt antibiotic finishing agent contains water-soluble group and fibrous reactivity group and has good water solubility, the bacterial inhibition rate of finished cotton fabrics is close to 100%, and the finishing agent can be combined with cellulose fiber by covalent bond and is wash-resistant; and cost is low, raw material is environmental friendly, environmental pollution is less, thus having industrialization application prospect.
Owner:DONGHUA UNIV

Preparation and use of mixed mode solid substrates for chromatography adsorbents and biochip arrays

For certain mixed mode resins having anionic character, a ligand is joined to a solid support via a linkage that includes a mercapto-, ether- or amino-containing moiety. A suitable ligand comprises an aromatic group, a heteroaromatic group, or a heterocyclic group, optionally fused, that is sulfate-, sulfonate-, phosphonate- or phosphate-substituted and that is linked to such a moiety. These resins possess an anionic character under conditions prescribed for their use. Separation of a biological substance, such as a peptide or protein, can be accomplished with a resin of this type via a change in the pH of eluants, thereby effecting adsorption and desorption.
Owner:PALL CORP

Analog of mono carbonyl structure of curcumin, and usage

This invention relates to curcumin analogs and their applications. Curcumin is an excellent precursor compound, and has multiple pharmaceutical activities. The curcumin analogs in this invention have more stable monocarbonyl intermediate connection chain structure. The connection chain can be acetone, cyclopentanone or cyclohexanone. The substituent on benzene ring can be separately selected from H, hydroxyl, halogen, alkoxyl, alkyl, halogenated alkyl, amino, and alkyl amino. This invention also discloses pharmaceutically acceptable salts of the curcumin analogs, preparations containing them, and their pharmaceutical applications. Experiments show that the curcumin analogs can be used to treat inflammation and tumor.
Owner:WENZHOU GUANGCHENG BIOTECH +1

Method for the manufacture of amino group containing support matrices, support matrices prepared by the method, and use of the support matrices

A method for the manufacture of a support matrix exhibiting amino groups I, possibly in acylated form, comprising the step of polymerizing one or more monovinyl monomers (monomer I) with one or more di- tri- or polyvinyl monomers (monomer II). The method is characterized in that that the polymerization is run in the presence of one or more amino-(C0-10)hydrocarbon vinyl aromatic monomers possibly in acylated form (monomer III). The preferred combination of monomers are ethyl vinyl benzene, divinyl benzene and amino styrene. The support matrix comprising a polyvinyl backbone [(-CH2CH2)n] and amino groups or groups derived from said amino groups while retaining the nitrogen of the amino group, each of which groups being attached to said backbone via a link structure containing an arylene group. The matrix is characterized in that each of said groups is directly attached via said nitrogen to said arylene group. Additionally, the use of the support matrix for solid phase synthesis, for instance of an oligo / poly-nucleotide or an oligo / polypeptide.
Owner:LIFE TECH AS

Production method of L-glufosinate

The invention discloses a production method of L-glufosinate. The method includes the steps that with 2-carbonyl-4-(hydroxyl methyl phosphoryl) butyric acid and salt thereof being a substrate, isolated transaminase or a cell catalysis substrate of in-vitro expression transaminase reacts with an amino donor under the condition that the amino donor exists, so that L-glufosinate is obtained, wherein the amino donor is alanine, and the amino acid sequence of transaminase is shown in SEQ ID NO.1-3. With 2-carbonyl-4-(hydroxyl methyl phosphoryl) butyric acid and salt thereof being the substrate and alanine being the amino donor, the transamination reaction occurs through the specific transaminase catalysis substrate, the substrate can be completely converted into L-glufosinate, and the conversion rate of raw materials is high and can reach 100%.
Owner:ZHEJIANG UNIV

2,2'-Disubstituted 9,9'-Spirobifluorene-based Triaryldiamines and Their Application

The present invention discloses synthesis of 2,2′-disubstituted 9,9′-spirobifluorene-based triaryldiamine. First, 2,2′-diamino-9,9′-spirobifluorene, a Pd-catalyst as auxiliary and aryl halide BX are provided, wherein X is selected from the group consisting of: Cl, Br and I, B comprises one of the following group: aryl moiety, hetero cycle, multiple fused ring, multiple fused ring with hetero atom(s). Next, a substitution reaction is performed to react the 2,2′-diamino-9,9′-spirobifluorene with the aryl halide BX to produce the 2,2′-disubstituted 9,9′-spirobifluorene-based triaryldiamines. In addition, the present invention discloses organic light emitting devices comprising hole transporting material comprising 2,2′-bis(N,N-disubstituted amino)-9,9′-spirobifluorenes.
Owner:E RAY OPTOELECTRONICS TECH

Primary intermediates for oxidative coloration of hair

InactiveUS20020106341A1Good oxidative colorationAcceptable light fastness and fastnessCosmetic preparationsHair removalHydrogen atomPyrrolidine
Primary intermediates useful hair coloring systems comprise quaternized pyrrolidine compounds. The invention provides new quaternized pyrrolidine of Formula (1): wherein X is Cl, Br, I, or R3 SO4; R is a C1 to C22 alkyl group or a C1 to C22 mono or dihydroxyalkyl group; R1 and R2 are each independently a C1 to C4 alkyl group; R3 is a C1 to C22 alkyl group or a C1 to C22 mono or dihydroxyalkyl group; R4 is a hydrogen atom, a C1 to C5 alkyl group or such an alkyl group substituted with one or more hydroxy or amino moieties; and R5 is a hydrogen atom or a hydroxy group.
Owner:WELLA OPERATIONS US LLC +1

Two-stroke cycle lubricant and method of using same

A lubricant composition suitable for fuel injected two-stroke cycle engines includes an oil of lubricating viscosity, an amount, sufficient to reduce or prevent piston scuffing, of a mixture of (A) at least one phenol selected from (A-1) an aminophenol and (A-2) a reaction product of a nitrophenol and an amino compound, and (B) at least one Mannich dispersant, amine dispersant, nitrogen-containing carboxylic dispersant, or ester dispersant. The composition further includes an amount, sufficient to reduce degradation of the lubricant composition upon exposure to oxygen or oxides of nitrogen, of a nitrogen-containing inhibitor, a hindered phenol inhibitor, or a sulfur-containing organic inhibitor.
Owner:THE LUBRIZOL CORP

Highly effective environment friendly triazine amino stilbene fluorescent bleachng agent

The related synthesis technique for environment-protective triazinylamino diphenyl ethylene fluorescer in paper-making, paint and ink comprises: with ANSD acid as initial reactant, composing asymmetric fluorescer; designing a new synthesis path for the composite mixed and quaternary fluorescers; solves the pollution problem basically, and spreads application range. Wherein, the substituents of R1 and R2 are independent amino acid residues with hydrogen atoms on amido removed, such as, the aminobenzenesulfonic residue (I) and o-aminobenzenesulfonic residue (II); the R3 and R4 are independent alkamine residues or aminoalkyl residues with hydrogen atoms on amido removed, such as, morpholinyl(III), phenylamimo(IV), diethanolamimo(-N(CH2CH2OH)2), diacetylamino(-N(C2H5)2), ethanolamimo(-NCH2CH3OH), triethanolamimocation(V), triethylaminocation(VI).
Owner:SHANDONG UNIV

Layer configuration with improved stability to sunlight exposure

Disclosed are a light-emitting diode, a photovoltaic device, a transistor, and an electroluminescent device, each comprising a layer disposed on a support, the layer comprising a [A] composition exclusive of hydroquinone comprising at least one polymer comprising (3,4-dialkoxythiophene) monomer units, a polyanion, at least one polyhydroxy group-containing aromatic compound exclusive of sulfo groups, at least one amino-compound or heterocyclic compound with at least one ring nitrogen atom, and at least one compound selected from the group consisting of polyhydroxy- and / or carboxy group or amide or lactam group containing aliphatic compounds and aprotic compounds with a dielectric constant ≧15.
Owner:AGFA GEVAERT AG

Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same

The invention has an object of safely and simply preparing a large amount of a ruthenium metathesis catalyst, which is used as a catalyst for a carbon-carbon bond formation using, particularly, a metathesis reaction. The metathesis catalyst has the following complex composition (A) or (B). The composition (A) includes RuX12(arene)(PR1R2R3) and R4CHX22, R5C =CH or R4CHX2 and a reducing agent, wherein X1 and X2 respectively are a halogen atom; arene is a hydrocarbon having a benzene ring; R1, R2 and R3, which may be the same or different, respectively are an alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-8 carbon atoms or an optionally substituted aryl group, wherein the substituent group is an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkylamino group having 1-8 carbon atoms or a halogen atom; R4 is an alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, an optionally subsituted aryl group, wherein the substituent group is a halogen atom or a hydroxyl group; or cycloalkyl group having 3-8 carbon atoms; and R5 is an optionally substituted alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, wherein the substituent group is a halogen atom or a hydroxyl group, an aryl group or a cycloalkyl group having 3-8 carbon atoms. The composition B includes [RuX12(arene)]2, PR1R2R3, R5C=CH or R4CHX2 and a reducing agent, wherein X1, arene, R1, R2, R3, R4 and R5 are the same as defined above.
Owner:TAKASAGO INTERNATIONAL CORPORATION
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