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Class Information
Number: 536/32
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Nitrogen containing > Cellulose derivatives > Esters
Description: Compounds which result from the reaction of a hydroxyl group of cellulose with an acid.










Sub-classes under this class:

Class Number Class Name Patents
536/35 Nitrates 25
536/34 Phosphorus containing acid 13
536/33 Sulfur containing acid 21


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8637322 Method for labeling or treating a biological sample containing biological molecules of interest, in particular nucleic acids Jan. 28, 2014
7745645 Sulfonamide derivatives of xanthene compounds 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
7485689 Tensio-active glucoside urethanes Feb. 3, 2009
7125991 Compounds derived from benzoic acid esters, composition containing said compounds and use thereof Oct. 24, 2006
7026471 Purification method of hydroxypropylmethyl cellulose phthalate Apr. 11, 2006
6844003 Compounds derived from benzoic acid esters, composition containing said compounds and use thereof Jan. 18, 2005
6800754 Method for producing cellulose sulfoacetate derivatives and products and mixtures thereof Oct. 5, 2004
6737524 Activated polyethylene glycol compounds May. 18, 2004
RE38484 Cationized hydroxyalkylcellulose and process for producing the same Mar. 30, 2004
6624298 Esterified polysaccharide products and .beta.-lactone ring opened ketene dimer products containing the compositions, and process of making the same Sep. 23, 2003
6369214 Method of dispersing a pigment Apr. 9, 2002
6362330 Polysaccharide-based thermoplastic material, process for preparing the same and method of use thereof Mar. 26, 2002
6303315 One step sample preparation and detection of nucleic acids in complex biological samples Oct. 16, 2001
6242595 Process for the recovery of cellulose carbamate Jun. 5, 2001
6229007 Amine functional cellulose ester compounds and methods of making the same May. 8, 2001
6197950 Cationized hydroxyalkylcellulose and process for producing the same Mar. 6, 2001
6184272 Fiber-reinforced molded plastic part and process for its manufacture Feb. 6, 2001
6133439 Environmentally non-persistant cellulose ester fibers Oct. 17, 2000
6054545 Modified cellulose compound and photopolymerizable resin composition containing the same Apr. 25, 2000
5945547 Imtermediate in process to make 2', 2'-difluoronucleosides Aug. 31, 1999
5906926 Method for modified manufacture of cellulose carbamate May. 25, 1999
5859217 Process for producing polymerization sugar esters Jan. 12, 1999
5831076 Production of cellulose carbamate with improved solubility properties Nov. 3, 1998
5717087 Thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters containing maleic acid addition product groups Feb. 10, 1998
5556773 Method and apparatus for nested polymerase chain reaction (PCR) with single closed reaction tubes Sep. 17, 1996
5552485 Ethylenically unsaturated polymeric alkoxysilanes useful for treating fluoroaluminosilicate glass Sep. 3, 1996
5502178 Methods for producing amidated or aminated water soluble cellulose acetates Mar. 26, 1996
5488102 Polymerisable carbohydrate esters, polymers therefrom and their use Jan. 30, 1996
5378827 Process for the production of cellulose carbamate Jan. 3, 1995
5292873 Nucleic acids labeled with naphthoquinone probe Mar. 8, 1994
5284885 Aqueous nitrocellulose compositions Feb. 8, 1994
5229506 Preparation of cellulose aminomethanate Jul. 20, 1993
5093488 Modified chitin for biocompatible dialysis membranes III and process for preparation of modified cellulose and modified chitin for use therewith Mar. 3, 1992
5093486 Modified chitin for biocompatible dialysis membranes II and process for preparation of modified cellulose and modified chitin for use therewith Mar. 3, 1992
5093489 Modified chitin for biocompatible dialysis membranes IV and process for preparation of modified cellulose and modified chitin for use therewith Mar. 3, 1992
5071892 Desensitized nitrocellulose mixtures Dec. 10, 1991
5068321 Carbonic acid esters of polysaccharides and a process for their production Nov. 26, 1991
5026834 Modified cellulose for biocompatible dialysis membranes Jun. 25, 1991
5023246 Betaine group-containing derivatives of carboxymethylcellulose, their synthesis and their use in cosmetic preparations Jun. 11, 1991
4999425 Cellulose aminomethanate by ion-exchange extraction Mar. 12, 1991
4997933 Cellulose aminomethanate by acid neutralization Mar. 5, 1991
4988806 Nitrogen-containing derivatives of carboxymethylcellulose, their synthesis and their use in cosmetic preparations Jan. 29, 1991
4983399 Direct compression carrier composition Jan. 8, 1991
4963664 Processes for the preparation of amides and amines from a material having carboxyl-containing polysaccharides and products therefrom Oct. 16, 1990
4952684 Processes for the preparation of amides and amines from a material having carboxyl-containing polysaccharides and products therefrom Aug. 28, 1990
4936865 Catalysts and processes for formaldehyde-free durable press finishing of cotton textiles with polycarboxylic acids Jun. 26, 1990
4923979 Cellulose carbamate products of lowered carbamate content May. 8, 1990

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