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Class Information
Number: 536/63
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Cellulose or derivative > Esters > Carboxylic acid esters
Description: Compounds in which the acid moiety is a carboxylic acid.










Sub-classes under this class:

Class Number Class Name Patents
536/69 Acetates 157
536/66 Ether-esters 47
536/67 Formates 19
536/64 Mixed carboxylate esters 74
536/68 Propionates, butyrates or isobutyrates 56


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658147 Polymer hydrogels and methods of preparation thereof Feb. 25, 2014
8455637 Process for adjusting degree of acetyl substitution of cellulose acetate Jun. 4, 2013
8420187 Cellulose acylate composition, cellulose acylate film, and its applications Apr. 16, 2013
8399590 Superhydrophilic amphiphilic copolymers and processes for making the same Mar. 19, 2013
8378091 Cellulose derivative Feb. 19, 2013
8354525 Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom Jan. 15, 2013
8277554 Hot-melt adhesive and method for the manufacture thereof Oct. 2, 2012
8273872 Cellulose esters and their production in halogenated ionic liquids Sep. 25, 2012
8158777 Cellulose esters and their production in halogenated ionic liquids Apr. 17, 2012
8153782 Reformation of ionic liquids Apr. 10, 2012
8148518 Cellulose esters and their production in carboxylated ionic liquids Apr. 3, 2012
8026357 Cellulose acylate film and its applications Sep. 27, 2011
7745615 Cellulose ester and production method thereof Jun. 29, 2010
7662801 Biodegradable oxidized cellulose esters Feb. 16, 2010
7649089 Biodegradable oxidized cellulose esters and their uses as microspheres Jan. 19, 2010
7595392 Biodegradable oxidized cellulose esters Sep. 29, 2009
7410680 Retardation film made by using cellulose derivatives Aug. 12, 2008
7384739 Compositions for enhancing DNA synthesis, DNA polymerase-related factors and utilization thereof Jun. 10, 2008
7247722 Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Jul. 24, 2007
7148344 Method for producing cellulose acetate film Dec. 12, 2006
7135557 Hypochlorite free method for preparation of stable carboxylated carbohydrate products Nov. 14, 2006
7122660 Cellulose acetate and dope containing the same Oct. 17, 2006
7109325 Hypochlorite free method for preparation of stable carboxylated carbohydrate products Sep. 19, 2006
7098327 Dual-functional ion exchange resins from agricultural by-products Aug. 29, 2006
7015200 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers Mar. 21, 2006
6987182 Process for producing cold-gelling hydrocolloids Jan. 17, 2006
6984730 Cellulose acylate and solution thereof Jan. 10, 2006
6958394 Cellulose ester film Oct. 25, 2005
6946519 Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film Sep. 20, 2005
6936710 Process for oxidizing primary alcohols Aug. 30, 2005
6921820 Method for forming cellulose Jul. 26, 2005
6919447 Hypochlorite free method for preparation of stable carboxylated carbohydrate products Jul. 19, 2005
6897303 Process for producing cellulose acylate film May. 24, 2005
6891035 Process for bulk autoclaving May. 10, 2005
6852852 Method of producing regioselectively substituted esters of oligo- and polysaccharides Feb. 8, 2005
6835828 Alkylene oxide modified hardwood cellulose Dec. 28, 2004
6712896 Cellulose ester film, optical film, polarizing plate, optical compensation film and liquid crystal display Mar. 30, 2004
RE38435 Separating agent Feb. 24, 2004
6673245 Use of surface-active agents in the impurity removal process from solutions containing acetic derivatives using nano-filtration with membranes, in a process to obtain cellulose acetate Jan. 6, 2004
6627750 Highly carboxylated cellulose fibers and process of making the same Sep. 30, 2003
6624298 Esterified polysaccharide products and .beta.-lactone ring opened ketene dimer products containing the compositions, and process of making the same Sep. 23, 2003
6600034 Method of producing cellulose polymers Jul. 29, 2003
6559300 Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters which can flocculate May. 6, 2003
6548660 Producing method of cellulose polymer Apr. 15, 2003
6492471 Method for producing bead polymers Dec. 10, 2002
6489468 Regioselectively substituted esters of oligo- and polysaccharides and a method of producing them Dec. 3, 2002
6455512 Water-soluble esterified hydrocolloids Sep. 24, 2002
6407224 Catalytic system for cellulose acylation process for producing said catalytic system, and for its practical application Jun. 18, 2002
6387853 Derivatization of polymers and well treatments using the same May. 14, 2002
6294665 Process for producing water-soluble polysaccharide Sep. 25, 2001

1 2 3 4










 
 
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