Class 536/58 - Esters

Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which result from the reaction of a hydroxyl group
No. of patents: 144
Last issue date: 01/04/2011

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Number	Title	Issue Date
7863439	Cellulose ester having improved stability to wet heat The present invention provides a cellulose ester in which heat resistance under wet condition is compatible with both releasability and spinnability even when the amount of the residual solvent is small in a casting process. The cellulose ester fulfills the followin...	01/04/2011
7347947	Methods for filtrating and producing polymer solution, and for preparing solvent A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber. Hydroxyl groups on the filter medium are substituted to other functional groups. An acidic material is added to the cellulose acetate solution, and the filtration is preformed....	03/25/2008
7244840	Admixture, extrudable hydraulic composition and method for the selection of admixture A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20�...	07/17/2007
7208592	Process for alkali saponification of cellulose ester film surface A process for alkali saponification of polymer film is disclosed. The process comprises the steps of applying solution of an alkali onto a polymer film having a temperature of not lower than room temperature, and washing away the alkaline solution from the film....	04/24/2007
7163751	Coating compositions for use with an overcoated photoresist In a first aspect, organic coating compositions are provided, particularly spin-on antireflective coating compositions, that contain a polyester resin component. In a further aspect, coating compositions are provided that contain a resin component obtained by polyme...	01/16/2007
7151173	Admixture, extrudable hydraulic composition and method for the selection of admixture A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20�...	12/19/2006
7125591	Hard coat film, production method of the same, polarizing plate and display To provide hard coat films having high hardness, and uniform durability against scratching and high flatness even with a small thickness and a large width, and to provide a method producing the same. The hard coat films are provided with an actinic ray curable resin...	10/24/2006
7083752	Cellulose acetate films prepared by coating methods A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, cellulose acetate films are prepared by simultaneous application of multiple liquid layers to a moving carrier ...	08/01/2006
7078078	Optical compensatory sheet comprising transparent support and optically anisotropic layer An optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer is formed from liquid crystal molecules and monomers having four or more double bonds. The monomers are polymerized to form a polymer in...	07/18/2006
7064113	Resin composition, method of molding the same, and method of recycling resin composition A resin composition, which comprises a biodegradable polymer and a biodegradable liquid crystalline polymer. The resin composition is useful for producing molded resin articles having good recyclability. ...	06/20/2006
7026471	Purification method of hydroxypropylmethyl cellulose phthalate The present invention relates to a purification method of hydroxypropylmethyl cellulose phthalate, more particularly to a method of preparing high-purity hydroxypropylmethyl cellulose phthalate through a simple crushing process which comprises: increasing fluidity o...	04/11/2006
7022837	Cellulose ethers and method of preparing the same The present inventors have discovered that the solution rheology of cellulose ethers prepared from cellulose pulp is altered by mercerizing and recovering cellulose pulp before preparing the cellulose ethers. For example, the solution viscosity of carboxymethyl cell...	04/04/2006
7015200	Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers The present invention provides compositions comprising at least one GHB moiety bonded to at least one physiologically compatible carrier molecule. The compositions can enhance the uptake of the drug, deliver effective therapeutic doses in a time-delayed fashion, or ...	03/21/2006
6998226	Method of forming patterned photoresist layer A method of forming a patterned photoresist layer. First, an anti-reflection coating layer is formed on a substrate. Next, a first bake is performed. A photoresist layer is then formed on the anti-reflection coating layer. Exposure is performed. A second bake is per...	02/14/2006
6984730	Cellulose acylate and solution thereof A cellulose acylate which is a polymer obtained by substituting cellulose with acyl groups in 2-, 3-, 6-positions. The total degree of acyl substitution in the 2- and 3-positions is regulated to from 1.70 to 1.90. The degree of 6-position acyl substitution is regula...	01/10/2006
6958394	Cellulose ester film A cellulose ester film is disclosed which comprises a polyhydric alcohol ester, which is an ester of one or more kinds of monocarboxylic acids with an aliphatic polyhydric alcohol, wherein the cellulose ester film has a water vapor transmission rate of from 20 to 26...	10/25/2005
6946527	Modified polymeric shaped body, method for producing the same and use thereof AGE precursors can be removed from blood, plasma or PBS buffer using a modified polymeric shaped body that can be produced by reaction of diaminoguanidine and/or triaminoguannidine with a staring polymeric shaped body carrying R—X residues, where R is an alkylene ...	09/20/2005
6946519	Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film Disclosed are an organic-inorganic hybrid film comprising a cellulose derivative and a polycondensation product of a condensation polymerizable reactive metal compound, wherein the film contains a plasticizer in an amount of 1 to 20% by weight and its manufacturing ...	09/20/2005
6939842	Laundry treatment compositions comprising a silicone and a substituted polysaccharide A composition comprising a silicone and a substituted polysaccharide comprising β1-4 linkages having covalently bonded on the polysaccharide moiety thereof, at least one deposition enhancing group which undergoes a chemical change in water at a use tempe...	09/06/2005
6932943	Nucleic acid synthesizers The present invention relates to nucleic acid synthesizers and methods of using and modifying nucleic acid synthesizers. For example, the present invention provides highly efficient, reliable, and safe synthesizers that find use, for example, in high throughput and ...	08/23/2005
6924010	Low solution viscosity cellulose triacetate and its applications thereof The invention relates to low solution viscosity cellulose triacetate and methods of making thereof. The invention also relates to films prepared from the low solution viscosity cellulose triacetate and articles containing the low solution viscosity cellulose triacet...	08/02/2005
6921820	Method for forming cellulose A method for forming II-type cellulose, which comprises introducing together a slurry having water and a I-type cellulose dispersed therein and water in the state of high temperature and high pressure to a tubular reactor (28) contacting the I-type cellulose ...	07/26/2005
6914139	Solution of cellulose acylate dissolved in mixed solvent of ketone and ester In a cellulose acylate solution, cellulose acylate is dissolved in an essentially non-chlorinated solvent. The essentially non-chlorinated solvent is a mixture of a ketone having a solubility parameter of 19 to 21 and an ester having a solubility parameter of 19 to ...	07/05/2005
6908886	Annular fluids and method of emplacing the same An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility to inhibit crosslinking between the viscosifying additive and the cr...	06/21/2005
6900295	Polymeric compound comprising glycopolymer and a method for decomposing the same The present invention is an enzyme-decomposable polymer compound having recyclable decomposition products. The polymeric compound is a glycopolymer of a saccharide having only glucopyranose rings and a second component. In addition, the glycopolymer may contain mole...	05/31/2005
6897303	Process for producing cellulose acylate film A cellulose acetate film is produced from a solution of a cellulose acylate in a mixed solvent. The mixed solvent comprises a main solvent and an alcohol. The mixed solvent essentially does not contain chlorine atom. The main solvent comprises an ester and a ketone....	05/24/2005
6852852	Method of producing regioselectively substituted esters of oligo- and polysaccharides A method of producing a cellueose ether that is predominantly substituted in the C2 position of the anhydroglucose unit of the cellulose is described. The regioselectively substituted saccharide ester produced according to the method of the present invention is sele...	02/08/2005
6835828	Alkylene oxide modified hardwood cellulose Disclosed is a process for producing reactive cellulose for use in the manufacture of cellulose acetate having superior clarity by mercerizing hardwood cellulosic material and reacting it with an hydroxyalkylating agent to a degree of molar substitution ranging from...	12/28/2004
6803458	Cellulose acetates and process for producing the cellulose acetates The present invention provides a cellulose acetate satisfying at least one requirement selected from the following requirements (A), (B) and (C), provided that the case where (B) alone is satisfied is excluded. Requirement (A): Bri...	10/12/2004
RE38484	Cationized hydroxyalkylcellulose and process for producing the same Cationized hydroxyalkylcelluloses, which are highly compatible with surfactants, are represented by the following formula (I): wherein R1, R2 and R3 represent a hydrogen atom or a group represented ...	03/30/2004
6683174	Cellulose triacetates and methods for producing the cellulose triacetates The present invention provides a cellulose triacetate which exhibits a satisfactory filtration performance Thus, the present invention provides a cellulose triacetate whose occlusion constant (K) determined by the following method is 70 or less. Method: t...	01/27/2004
6670361	Method of treating cancer An anticancer drug includes a compound represented by Formula (1): ##STR1## where R101 represents an acyl moiety of a saturated higher fatty acid, and R102 represents a hydrogen atom or an acyl moiety of a saturated higher fatty acid...	12/30/2003
6600034	Method of producing cellulose polymers A method of making cellulose polymer solution comprises dissolving a cellulose polymer raw material in a chlorine-free organic solvent system under a high temperature and a high pressure condition belonging to the nearcritical or the supercritical region ...	07/29/2003
6566347	Controlled release pharmaceutical The present invention provides a controlled release pharmaceutical composition comprising a polydextrose, a drug that is complexed with the polydextrose, and a polymer matrix having the drug complexed with the polydextrose, wherein the polymer matrix and ...	05/20/2003
6518248	Method of treating gastric or colon cancer by administration of a sulfoquinovosylacylglycerol ester An anticancer drug includes a compound represented by Formula (1): ##STR1## where R101 represents an acyl moiety of a saturated higher fatty acid, and R102 represents a hydrogen atom or an acyl moiety of a saturated higher fatty acid...	02/11/2003
6515121	Method of manufacturing and collecting cellulosic particles Cellulosic fibrids can be made by mixing together under turbulent conditions viscose and a coagulating and regenerating liquor containing preformed fibrids to form a suspension of fibrids in a spent liquor, and collecting the fibrids from the spent liquor...	02/04/2003
6489468	Regioselectively substituted esters of oligo- and polysaccharides and a method of producing them A regioselectively substituted member selected from the group consisting of oligo-saccharide ester and polysaccharide ester is disclosed. The ester has a partial average degree of substitution AS at the C2 position of its anhydroglucose unit of at least 9...	12/03/2002
6465602	Modified condensation polymers having azetidinium groups and containing polysiloxane moieties Condensation polymers, such as polyamide epichlorohydrin (PAE) resins, can be combined with polysiloxanes in a single molecule to provide several potential benefits, depending upon the specific combination employed, including: (a) wet strength resins that...	10/15/2002
6455691	Preparation of chemically reactive polysaccharides This invention describes improvements in or relating to the production of polysaccharide derivatives; more particularly it relates to a method of converting insoluble polysaccharides to a form in which they form part of an anhydrous system in which they m...	09/24/2002
6455285	Enzyme-catalyzed modifications of macromolecules in organic solvents Protease enzyme from Bacillus subtilis and Bacillus sp. Catalyzes the acylation of organic solvent-insoluble macromolecules in isooctane solution containing vinyl esters of fatty acids, lactones or lactides as acyl donors. The reaction occurs only when th...	09/24/2002

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Class 536/58 - Esters