543 results about "Phenothiazine" patented technology

The invention provides formulations and structural modifications for phenothiazine compounds which result in altered biodistributions, thereby reducing the occurrence of adverse reactions associated with this class of drug.

Methods of treating headache with antipsychotics are provided. A kit for treating headache is also provided, comprising an antipsychotic and a device for rapid delivery of the antipsychotic.

Disclosed herein are phenazine-3-one and phenothiazine-3-one derivative compounds and methods of using such compounds for treating or suppressing oxidative stress disorders, including mitochondrial disorders, impaired energy processing disorders, neurodegenerative diseases and diseases of aging.

This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.

The invention belongs to the technical field of fabric finishing agents, and particularly relates to a method for preparing a fluorine-containing acrylate copolymer textile finishing agent, which is characterized by sequentially comprising the following steps of: 1, preparing fluorine-containing acrylate: slowly dripping a perfluor alkyl acyl compound by using (methyl) acrylic hydroxy alkyl ester as a raw material and phenothiazine as a polymerization inhibitor in the presence of a catalyst; and 2, preparing a fluorine-containing acrylate copolymer: pre-emulsifying polymer monomer by adding an emulsifying agent, and dripping an initiator into pre-emulsion for polymerizing the emulsion under the protection of nitrogen. The fluorine-containing acrylate copolymer emulsion is used as a waterproof oil resistant finishing agent for fabrics; and the finished fabrics present excellent waterproof oil resistance property. Carbon atoms of long-chain perfluor alkyl in the fluorine-containing acrylate monomer prepared by the method are not less than 8, and hidden dangers of damaging the environment and harming human health by the long-chain perfluor alkyl waterproof oil resistant fabric finishing agent do not exist.

Disclosed herein are phenazine-3-one and phenothiazine-3-one derivative compounds and methods of using such compounds for treating or suppressing oxidative stress disorders, including mitochondrial disorders, impaired energy processing disorders, neurodegenerative diseases and diseases of aging.

A process for producing (meth)acrylic acid while preventing a polymerization of (meth)acrylic acid using a polymerization inhibitor solution, comprising the steps of: obtaining a (meth)acrylic solution containing formaldehyde from any step of the process for producing (meth)acrylic acid to use as a solvent of the polymerization inhibitor solution, and adding phenothiazine or derivatives thereof and/or hydroquinone or derivatives thereof to the (meth)acrylic solution containing formaldehyde to obtain polymerization inhibitor solution so that the polymerization inhibitor solution contains 0.1 mass % to 3 mass % of phenothiazine or derivatives thereof and/or 0.1 mass % to 10 mass % of hydroquinone or derivatives thereof, wherein the polymerization inhibitor solution contains 10 ppm to 5000 ppm (based on mass) of formaldehyde. The polymerization inhibitor solution used in the present invention is stable, generates little precipitate and is prepared using a low purity (meth)acrylic acid solution from the process for producing (meth)acrylic acid.

This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.

The invention relates to the technical field of a chemistry stabilizer, in particular to an environmental-friendly calcium-zinc stabilizer for a PVC (Polyvinyl Chloride) rolling film and a preparation method thereof. The environmental-friendly calcium-zinc stabilizer for the PVC (Polyvinyl Chloride) rolling film comprises the following raw materials in percentage by weight: 10-30% of main calcium salt stabilizer, 10-30% of main zinc salt stabilizer, 30-50% of hydrotalcite, 10-20% of lubricating agent, 5-15% of phenothiazine heterocyclic compound, 1-5% of oxidation inhibitor, 1-5% of ultraviolet light absorber and 1-5% of auxiliary stabilizer. The preparation method of the environmental-friendly calcium-zinc stabilizer for the PVC (Polyvinyl Chloride) rolling film comprises the following steps of: putting the raw materials in a high-speed blender in three stages and totally stirring for 30 min in the temperature of 55-56 DEG C, wherein the rotating speed of the blender is 1000-1500r/min. The environmental-friendly calcium-zinc stabilizer for the PVC (Polyvinyl Chloride) rolling film, which is prepared by the invention, has good thermal resistant property and weather resistance.

The invention discloses a thermal activation delayed fluorescence material based on a dibenzophenazine derivative as well as a preparation method and application of the thermal activation delayed fluorescence material, and belongs to the technical field of organic photoelectric materials and devices. The structural formula of the material is shown as a formula (I), in the formula (I), R1 is phenoxazinyl, phenothiazinyl or dimethyl acridinyl, R1' is phenoxazinyl, phenothiazinyl or dimethyl acridinyl, R1 '' is phenoxazinyl, phenothiazinyl or dimethyl acridinyl, and R2 is H, phenoxazinyl, phenothiazinyl or dimethyl acridinyl. The material provided by the invention has the advantages that the electron acceptor and the electron donor unit show a highly distorted rigid structure, 100% theoretical internal quantum efficiency can be realized, the fluorescence quantum yield is high, a guarantee is provided for a high-efficiency long-waveband OLED device, and the like. And a polysubstitution mode is adopted, so that red shift of molecular emission wavelength is facilitated, long-waveband luminescence is realized, and a guarantee is provided for an efficient long-waveband OLED device.

Inhibition of RNA function, and treatment or control of diseases or conditions, e.g. infectious diseases such as viruses and viral infections (including HIV) and microbial infections, by the contacting of the RNA with a compound having a central or core structure comprising three fused rings containing from 12 to 15 ring atoms, the central ring including at least one heteroatom selected from nitrogen, oxygen and sulfur, the atoms of the three-ring core structure being optionally substituted with substituents such as halogens, cyano, and/or various substituted or unsubstituted aliphatic and/or heteroaliphatic moieties, or contacting the RNA with yohimbine, usnic acid or N-{4-[2,5-Dioxo-1-(4-trifluoromethoxy-phenyl)-pyrrolidin-3-yl]-phenyl}-2,2,2-trifluoro-acetamide. Preferred compounds are various phenothiazines, including both known and novel compounds.

The invention discloses a phenothiazine-containing polymerization metal complex as well as a preparation method and an application thereof. The phenothiazine-containing polymerization metal complex is a novel dyestuff with a phenothiazine-thiophene side chain type D-pi-A structure. Compared with a conventional precious metal dyestuff, the novel dyestuff has the advantages of low cost, simple preparation, relatively high yield and good thermal stability and can be applied to dye-sensitized solar cells.

A holographic recording medium includes a recording layer. The recording layer includes a framework being expressed with the following general formula (1),

In the above formula (1), Ar represents a substituted or unsubstituted group selected from benzothiophene group, naphthothiophene group, dibenzothiophene group, thienothiophene group, dithienobenzene group, benzothiazole group, naphthothiazole group, benzoisothiazole group, naphthoisothiazole group, phenothiazine group, phenoxathiin group, dithianaphthalene group, thianthrene group, thioxanthene group, and bithiophene group. In addition, n is an integer from 1 to 4.

The present invention relates to one kind of high efficiency composite polymerization inhibitor for refining styrene. The composite polymerization inhibitor is re-compounded with aromatic amine compound, nitrogen-oxygen free radical or phenothiazine, and nitrophenol compound in certain proportion, and through dissolving in organic solvent. The composite polymerization inhibitor has the synergistic effect of the polymerization retarder and polymerization inhibitor, obviously polymerization inhibiting effect higher than single polymerization inhibitor, lowered toxicity and raised solubility, and can meet the requirement for styrene rectifier to run stably for long term.

The invention relates to (among other things) oligomer-phenothiazine conjugates and related compounds. A conjugate of the invention, when administered by any of a number of administration routes, exhibits advantages over un-conjugated phenothiazine compounds.

The invention provides an organic dye for a dye sensitized solar cell and a preparation method of the organic dye, belonging to the technical field of organic high polymer materials and relating to a dye sensitized solar cell technology. In the provided organic dye, phenothiazine-triphenylamine is used as a cascading electron donor, and the organic dye provided by the invention belongs to a D-D-pi-A structured molecule and is novel organic dye containing a phenothiazine-triphenylamine cascading electron donating group. The organic dye provided by the invention is applied to the dye sensitizedsolar cell, and higher photoelectric conversion efficiency is obtained. The preparation method has the characteristics of low cost and simple, controllable preparation process and environmental friendliness. The novel organic dye molecule belongs to a pure organic compound, expensive raw material metal ruthenium does not need to be used, the novel organic dye is easy to synthesize, and has low cost and potential application prospect in the aspect of substituting noble metal organic dyes.

A method is described for immediately terminating free radical polymerizations by adding an inhibitor solution comprising a phenothiazine compound and/or a monoalkyl ether of hydroquinone to the free radical polymerizing system. The method is characterized in that the solvent of the inhibitor solution comprises at least 50% by weight of said solvent of alkylene glycol and/or polyalkylene glycol and/or terminally etherified derivatives of alkylene glycol and/or of polyalkylene glycol. The method permits the use of nontoxic inhibitor solutions.

Inhibitor solutions are also described which comprise a phenothiazine compound and/or a monoalkyl ether of hydroquinone and, as solvent, alkylene glycol and/or polyalkylene glycol and/or terminally etherified derivatives of these compounds.