75 results about "Wax ester" patented technology

Blends of wax-esters with beneficial health properties comprise: >/= two different wax-esters in amounts of 5-95% and each having m.pt -10 DEG C. to 80 DEG C. blend displaying m.pt: 15 to 45% while >80 wt % of wax-esters in blend have m.pt 20 to 60 DEG C.; wax-esters derived from linear alcohols and linear carboxyl acids either of them having >/=8 C-atoms.

The invention relates to preparations for impregnating cosmetic wipes, characterized in that they contain (a) an emulsifier mixture containing nonionic and amphoteric surfactants in a quantity ratio of 10:1 to 1:1, based on the quantity of emulsifiers, (b) a mixture of wax components containing wax esters, partial glycerides and fatty alcohol ethoxylates and (c) at least one cationic polymer. The preparations containing wax particles lead to optimal foaming and cleansing performance and to a favorable sensorial impression.

The invention relates to at least one nucleotide sequence, derived from a nucleotide sequence encoding an acyltransferase polypeptide comprising at least one membrane-spanning region, encoding an improved active membrane independent acyltransferase polypeptide in which at least one amino acid residue of the membrane-spanning region has been deleted and/or substituted as compared to the original acyltransferase polypeptide, wherein the encoded active membrane independent acyltransferase polypeptide can produce fatty acid esters and/or fatty acid thioesters such as triacylglycerols, diacylglycerols, monoacylglycerols, phospholipids, glycolipids, waxesters, acylated carbohydrates, acylated amino acids, and lysolipids, e.g. lysophosphospholipid, lysolecithin. Thereby one single acyltransferase can be used for the production of a huge number of products. The invention also relates to means and methods for the production of such an improved active membrane independent acyltransferase and the use of such a membrane independent acyltransferase in industry.

The present invention relates generally to polymers and monomers derived from agricultural feedstocks, and more particularly to methods for the production of monomers from renewable agricultural resources such as feedstocks, for example canola, flax and tallow, and polymers, in particular polyurethanes produced from monomers derived from such feedstocks. The present invention also relates to novel processes for the production of short-chain alcohols, as well as hydroxyl wax esters, from renewable feedstocks. An improved apparatus for carrying out ozonolysis reactions is also disclosed.

The invention discloses a method for dewaxing peony seed oil by combination of surfactant-crystallization copolymerization and alcohol extraction, which comprises the following steps: heating peony seed oil to 70-90 DEG C until the wax crystal precipitated at normal temperature is completely dissolved in the peony seed oil, cooling to 50-65 DEG C, adding a surfactant which accounts for 0.08-0.15 wt% of the peony seed oil, slowly cooling while stirring, stopping stirring when the temperature drops to 5-8 DEG C, growing the grain, carrying out centrifugal separation, and taking the supernatant oil for later use; adding an anhydrous ethanol solution into the supernatant oil, transferring into a separating funnel, standing, separating, taking the understratum oil, extracting once, taking the understratum oil, and finally, removing the ethanol solution. By combining the surfactant and ethanol extract phase, the low-viscosity favorable-flowability dewaxed oil with clear and bright color can be obtained; and the method improves the phenomena of premature adhesion and even waxing due to poor dewaxing effect and incapability of effectively removing wax in oil in the traditional dewaxing process.

The present invention relates to the provision of genetically modified fungal cells, such as yeast cells with an improved ability for producing different fatty acids and specifically fatty acid ethyl esters (FAEE), the main components of biodiesel. An increased in fatty acid production, and hence in FAEE, is obtained in the first place by expressing different heterologous polypeptides in combination with the down-regulation, attenuation, deletion or over-expression of specially selected genes, wherein said genes encode enzymes involved in the fatty acids synthesizing pathway, fatty acid consuming pathways, carbohydrate biosynthesis pathways or enzyme acting as wax ester transporters or a combination thereof. The methods and products of the invention would allow large-scale production of FAEE with carbohydrates as the only externally-supplied substrate.

The present invention are dry-feel emollient compositions comprising jojoba oil based esters that have use in personal care, cosmetic, cosmaceutical and pharmaceutical products. These compositions are essentially solid at room temperature, can be provided in various shapes and sizes (especially as particulates such as spheres), and can be produced from combinations of fatty alcohols, isopropyl esters and wax esters obtained from the oil contained in the seed of the jojoba plant. These new compositions also increase the range of applications for cosmetic compositions through an emollient that is more polar and hydrophilic than is found in jojoba oils. The compositions of the present invention may be obtained by a novel process of a base catalyzed alcoholysis reaction between jojoba oil and an alcohol, such as isopropyl alcohol. These components, whether exclusively jojoba esters or when combined with other carrier and vehicle components (including other emollients or binders) can form excellent carrier composition for use in the cosmetic, personal care and/or pharmaceutical field. Typical materials with which the compositions of the present invention may be blended include, but are not limited to, cosmetic oils and waxes, both natural and synthetic, (including hydrogenated or partially hydrogenated oils), silicone oils, mineral oils, long chain esters, vitamins, long chain fatty acids, cosmeceuticals, pigments, botanical extracts, esters and ethers, dimers, trimers, oligomers, and polymers, and the like. The proportions of the jojoba esters should be chosen to provide the dry-feel to the composition, which is highly desired. This will usually require a weight percent that ranges from 10% to 100% by weight of carrier material in the composition.

The invention relates to a cosmetic with no or less emulsifier and preservative, belonging to the technical field of cosmetics. The cosmetic comprises an A agent, namely an aqueous phase, a B agent, namely an oil phase, and a C agent, namely a nourishing and moisturizing ingredient, wherein the A agent, namely the aqueous phase, is one or a mixture of purified water, mineral water, wine, sake or ice wine; the B agent, namely the oil phase, is one or a mixture of wax ester, fatty alcohol, fatty acid, triglyceride, steroid, phospholipid, polyol ester, higher fatty acid, higher alcohol ester, fatty alcohol ester, aliphatic ester, alkane oil and fat, hydrophilic or oleophilic lanolin derivatives, hydrophilic or oleophilic beewax derivatives, silicone oil, oil soluble natural plant extracts, oil soluble vitamins and derivatives; and the C agent, namely the nourishing and moisturizing ingredient, is one or a mixture of polyatomic alcohol, polyethylene glycol, sodium hyaluronate, panthenol, water soluble vitamins and derivatives, and water soluble natural plant extracts, wherein no or less emulsifier and preservative can be added; in addition, because the aqueous phase, the oil phase and the nourishing and moisturizing ingredient are separated, single ingredient can be used, or a plurality of ingredients can be used in a mixed manner according to personal preferences and skin properties.

A process for the production of fatty alcohol or alcohols comprising: subjecting a fatty acid or fatty acid mixture to esterification with a lower alkanol in an esterification reactor maintained under esterification conditions to form a stream comprising the corresponding lower alkyl ester or esters; vaporising the stream from step (a); subjecting the vaporised stream of step (b) to hydrogenation in a first hydrogenation zone operated under hydrogenation conditions to form a stream comprising fatty alcohol or alcohols and an amount of unconverted lower alkyl ester or esters; subjecting the stream from step (c) to transesterification in a wax ester reactor maintained under transesterification conditions in the presence of a solid transesterification catalyst thereby to convert at least a portion of the lower alkyl fatty acid ester by ester interchange with a corresponding amount of fatty alcohol or alcohols to lower alkanol and to a wax ester or esters derived from a fatty alcohol and a fatty acid; separating fatty alcohol or fatty alcohols and wax ester or wax esters of step (d) by distillation to yield a fatty alcohol or alcohols product and a stream comprising wax ester or esters; passing said stream comprising wax ester or esters to a second hydrogenation zone operating under conditions to effect hydrogenation in the liquid phase to revert the wax ester or esters to fatty alcohol or alcohols; and returning the fatty alcohol or alcohols to the separation step (e).

Provided is a method for producing a euglena highly containing a wax ester, comprising aerobically culturing a microalga euglena by photosynthesis using carbon dioxide as a carbon source, then further culturing the microalga euglena under nitrogen-starvation conditions to increase paramylon accumulation per cell, and subsequently putting the microalga euglena under anaerobic conditions, so that a euglena highly containing a wax ester can be produced; and a method for producing a wax ester.

The present invention relates to a method for producing a euglena highly containing a wax ester. The method comprises a first step of aerobically culturing a microalga euglena, a second step of further culturing a medium under nitrogen-starvation conditions, and a third step of retaining the cells under anaerobic conditions.

Various embodiments provide compositions for exfoliating particles and methods for their manufacture. In one exemplary embodiment, the exfoliating particles may comprise a derivative of a botanically-sourced emollient, stearyl stearate, and at least one of: candelilla wax, is bran wax, sunflower wax, jojoba esters, carnauba wax, bees wax, corn wax, a saturated wax-ester, castor wax, ouricury wax, hydrogenated lanolin, and a hydrogenated triglyceride wax, Exemplary methods for producing the exfoliating particles may comprise melting, combining, and/or homogenizing the components of the exfoliating particles and cooling the resultant mixture in a process to form particles of a desired shape and/or size. The exfoliating particles may be for topical use and may be stable in personal care compositions.

A water-free preparation, in particular for application to the lips, which contains a silicone-free phase which contains at least one polybutene and/or polyisobutene, at least one isoparaffin, at least one wax and/or wax ester and optionally conventional adjuvant and additive substances and a silicone-bearing phase which contains at least one fluorosilicone, at least one dimethicone, at least one dimethiconol and optionally a particulate phase and fillers.

This disclosure describes genetically modified photosynthetic microorganisms, e.g., Cyanobacteria, that overexpress an acyl-acyl carrier protein reductase (acyl-ACP reductase). These microorganisms may optionally overexpress one or more fatty acid synthesis proteins such as ACP and ACCase, and/or one or more polypeptides associated with glycogen breakdown. Also included are photosynthetic microorganisms comprising mutations or deletions in a glycogen biosynthesis or storage pathway, which accumulate a reduced amount of glycogen under reduced nitrogen conditions as compared to a wild type photosynthetic microorganism. The modified photosynthetic microorganisms provided herein are capable of producing increased amounts of lipids such as fatty acids or wax esters and/or synthesizing triglycerides.

A cosmetic or pharmaceutical oil-in-water (o/w) emulsion including an oil phase and a water phase, where at least 40% by weight of the oil phase is a wax component or a mixture of wax components is provided. A cosmetic or pharmaceutical oil-in-water (o/w) emulsion including 15% to 35% by weight of an oil phase which contains 40% to 70% by weight of a mixture of wax components comprising at least one C_16-24 fatty alcohol and at least one wax ester of a C_12-24 fatty alcohol and a C_12-24 fatty acid; 0.5% to 5% by weight of a nonionic alk(en)yl oligoglycoside surfactant; and 50% to 80% by weight water is also provided.

The invention relates to a chemical industrial product, and especially relates to a coating with acrylic modified alkyd resin. The coating with the acrylic modified alkyd resin comprises the following components by weight: 15-17% of wax ester, 10-16% of epoxy resin, 20-30% of the acrylic modified alkyd resin, 12-16% of palm olein fine ester, 5-8% of methyl acrylic resin, 1-3% of a semi matt acrylic paint, 3-6% of a photo initiator, 5-10% of polyvinyl butyral, 2-4% of a polyether modified polysiloxane defoamer, 2-4% of a dispersant and balance of a thinner, and has the advantages of light resistance, good weatherability, tinting strength, strong covering power, strong adhesion, and low tendency to crack after use.

The invention provides a wax composition which can be used in comestibles. The wax composition is obtained from sugar cane and comrpises wax esters, aldehydes, tri-glycerides, alcohols, free fatty acids, sterols and polar lipids. A process for preparing a wax composition from crude sugar cane wax, the process comprising the steps of: (i) heating a solution of the crude wax with a lower alcohol as sovlent at the boiling point of the solvent; (ii) allowing phase separation of the solution from (i) and decanting the upper phase while hot; (iii) allowing the separated phase from (ii) to cool and separating crystallised wax from the solvent; (iv) repeating steps (i) to (iii) using the wax from (iii) until all pitch has been removed fromthe wax; (v) heating the wax to between 90 and 140 DEG C and oxidising molten wax with oxidising material; and (vi) continuing the heating under and inert gas on completion of the oxidation step until intermediate peroxide products are removed.

The invention discloses a coloring agent capable of preventing the fading of leather and a preparation method of the coloring agent. The coloring agent contains the following raw materials in parts byweight: 5-10 parts of curcumine, 5-10 parts of a chestnut shell pigment, 1-2 parts of dibutyl phthalate, 3-6 parts of triglyceride, 2-3 parts of gelatin, 4-7 parts of wax ester, 2-5 parts of a herbaviolae extracting solution, 1-3 parts of nano-composite semi-chrome tanning aid, 0.5-1 part of a surfactant, 0.5-0.8 part of a diluent and 40-50 parts of deionized water. The coloring agent is safe and environment-friendly, and the leather processed by virtue of the coloring agent has relatively good wear resistance, washing resistance and light fastness and is unlikely to fade.

The invention discloses wax ester microcapsules and a spinning waxing method thereof, belonging to the field of physical treatment of fiber and yarns. The wax ester microcapsules are placed on spinning waxing equipment and then crushed in a mechanical crushing mode so that the microcapsule core material is stuck between the yarn surface and the fiber to realize yarn waxing. Chitosan is used as the wall material of a wax ester microcapsule; the microcapsule core material comprises antistatic agent or spinning surfactant, softening agent for spinning, wax and ester; and the wax ester microcapsules are prepared by a spray drying method or complex coacervation method. Through the invention, the shortcomings that the spinning wax coil needs to be replaced often in traditional spinning waxing, the remaining part is wasted and causes secondary pollution and the like are overcome, the cohesive force of fiber is enhanced, the dynamic friction coefficient of yarns is lowered, the hair flying phenomenon in a workshop is reduced, and the rate of certified products in weaving is increased.

Human sebum mimetics and methods for producing human sebum mimetics are provided. In one exemplary embodiment, a human sebum mimetic comprises a wax ester derived from interesterification of a refined botanical triglyceride oil comprising palmitoleic acid and refined jojoba oil, a phytosterol, phytosqualene, and phytosteryl macadamiate. A method for producing a human sebum mimetic comprises mixing refined macadamia oil and refined jojoba oil, interesterifying the macadamia oil and the jojoba oil, adding a phytosterol, adding phytosteryl macadamiate, and adding phytosqualene after interesterification.

The present invention relates to a genetically modified Acinetobacter host for lipid production. The Acinetobacter host has been genetically modified to be deficient of one or more of genes A) a gene encoding fatty acyl-CoA reductase (EC1.2.1.n2), wherein said host is capable of increased production of TAGs and/or of total lipids compared to the parent host; and/or B) a gene encoding lipase (EC:3.1.1.3), a gene encoding pyruvate dehydrogenase (EC:1.2.2.2), and/or gene ACIAD 2177, or functional equivalents of any of said genes, wherein said host is capable of increased production of wax esters and/or total lipids compared to the parent host.

The invention discloses a preparation method for aliphatic mixed dihydric alcohol. The preparation method comprises a preparation stage of aliphatic mixed diacid dihydric alcohol wax ester and a preparation stage of aliphatic mixed dihydric alcohol. The method specifically comprises the following steps: 1) in the preparation stage of aliphatic mixed diacid dihydric alcohol wax ester, mixing aliphatic mixed diacid and aliphatic mixed dihydric alcohol, controlling the pressure at 0.5-4MPa, and carrying out continuous reaction for 10-40 hours to generate the aliphatic mixed diacid dihydric alcohol wax ester; and 2) in the preparation stage of aliphatic mixed dihydric alcohol, carrying out reductive reaction on the aliphatic mixed diacid dihydric alcohol wax ester and hydrogen under the action of a hydrogenation catalyst and an alloy catalyst to generate the aliphatic mixed dihydric alcohol, wherein the hydrogen pressure is maintained at 1.0-15.0MPa and the flow rate of hydrogen is 300-5000 cubic meter/hour. A finished product is stable in component and high in purity, and the yield reaches up to over 95%. According to different requirements of clients, high-purity single-component aliphatic dihydric alcohol can be prepared in a rectification manner, so that the additional value of the product is further improved.

The invention relates to a surface sizing agent for papermaking and a papermaking method for improving paper strength. Functional components of the surface sizing agent are prepared from raw materialscomprising a component A and a component B, wherein the weight percentage of the component A to the component B is 99.5%-40%: 0.5%-60%; the component A is starch; and the component B comprises the following components in percentage by weight: 5-50% of cellulose, 15-35% of lignin, 10-28% of hemicellulose, 0.6-5% of protein, 0.5-3% of wax ester and 5-25% of silicon dioxide. When the surface sizingagent is used for papermaking, the strength of the prepared paper is obviously improved, and meanwhile, COD of finished products during recovery can be obviously reduced.