Class 536/93 - Unsaturated

Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the etherifying radical contains a double
No. of patents: 24
Last issue date: 03/21/2006

Number	Title	Issue Date
7015281	Alkali-stable hydrophilic sorbents for ion-exchange chromatography The invention concerns alkali-stable hydrophilic sorbents for ion-exchange chromatography. The invention is characterized in that it consists in using as base material a crosslinked vinyl polymerconsisting of vinyl monomers containing diol groups and crosslinking mo...	03/21/2006
6372901	Polysaccharides with alkyl-aryl hydrophobes and latex compositions containing same Polysaccharides, including hydroxyethyl cellulose, having alkyl-aryl hydrophobic substitution, provide latex compositions, such as paints, with improved rheology and stability. Improved processes for producing such polysaccharides are also provided....	04/16/2002
6372902	Process for preparing polysaccharides with alkyl-aryl hydrophobes and latex compositions containing same Polysaccharides, including hydroxyethyl cellulose, having alkyl-aryl hydrophobic substitution, provide latex compositions, such as paints, with improved rheology and stability. Improved processes for producing such polysaccharides are also provided....	04/16/2002
6111011	Cellulose ethers containing butenyl groups and use thereof as protective colloids in polymerizations Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses which are additionally substituted by butenyl groups are used as protective colloids in the preparation of aqueous polymer dispersion...	08/29/2000
5994531	Cellulose ethers containing 2-propenyl groups and use thereof as protective colloids in polymerizations Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses having an average degree of polymerization of less than 900 which is substituted by, on average, from 0.01 to 0.04 2-propenyl groups ...	11/30/1999
5814141	Liquid crystalline cellulose (ether) ethers as interferentially effective chromophoric substances The invention relates to a liquid crystalline, photo cross-linkable main-chain polymer used as interferentially effective, chromophoric substance for colored paints, in which the main mesogenic groups are disposed at least approximately in a chiral-nemati...	09/29/1998
5612321	Antioxidant grafted polysaccharides Grafted polysaccharide compositions comprising polysaccharides grafted with antioxidants on at least one hydroxyl group of the polysaccharide. The use of antioxidant grafted polysaccharides or antioxidant grafted crosslinked polysaccharides as a treatment...	03/18/1997
5583214	Dual functional cellulosic additives for latex compositions Cellulose ether derivatives comprising a hydrophobic substituent having an unsaturated alkyl portion are disclosed. The unsaturation in the alkyl portion of the hydrophobic substituent can promote crosslinking of the cellulose ether derivative. The cellul...	12/10/1996
5426182	Polysaccharides containing complex hydrophobic groups Polysaccharides, including hydroxyethyl cellulose, having complex hydrophobic group substitution, provide latex compositions, such as paints, with improved rheology and stability. Improved processes for producing such polysaccharides are also provided....	06/20/1995
5294702	Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cellulose This invention relates to water-soluble polymerisable 3-allyloxy-2-hydroxypropylethers of cellulose and to a process for their preparation....	03/15/1994
5196527	Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier This invention relates to ion-exchanged fine cellulose particles, porous fine cellulose particles which can be advantageously used as an affinity carrier, and methods of production thereof. These fine particles of the invention have the advantage that the...	03/23/1993
5124445	Alkylaryl hydrophobically modified cellulose ethers Cellulose ethers are disclosed which have sufficient nonionic substitution to render them water soluble and which are further modified with a C10 to C24 long chain alkylaryl group in an amount between 0.2% by weight and the amount wh...	06/23/1992
5120838	Alkylaryl hydrophobically modified cellulose ethers Cellulose ethers are disclosed which have sufficient nonionic substitution to render them water soluble and which are further modified with a C10 to C24 long chain alkylaryl group in an amount between 0.2% by weight and the amount wh...	06/09/1992
5093486	Modified chitin for biocompatible dialysis membranes II and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is unmodified cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 ...	03/03/1992
5093489	Modified chitin for biocompatible dialysis membranes IV and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein Cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case...	03/03/1992
5093488	Modified chitin for biocompatible dialysis membranes III and process for preparation of modified cellulose and modified chitin for use therewith A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case...	03/03/1992
5055570	Cuprammonium-stable cellulose esters and carbamates for dialysis membranes A cellulose derivative comprising substitution-modified cellulose regenerated from a cuprammonium solution, the substituents being ester groups, wherein the acyl group represents one or more, optionally substituted, carbon chains with 10-36 carbon atoms, ...	10/08/1991
5008385	Cellulose derivatives and fibers and membranes made therefrom Cellulose derivatives are disclosed which have the following formula: ##STR1## wherein Z is selected from the group consisting of alkylene, alkenylene, alkynylene, cycloalkylene or benzylene or xylylene radicals, which may or may not be substituted; ...	04/16/1991
4997935	Modified cellulose for biocompatible dialysis membranes III and process for preparation thereof A modified cellulose for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case of chitin, R'...	03/05/1991
4992538	Silated polysaccharides Silated polysaccharides having 0.0005 to 2.0 silyl molar substitution per anhydrosaccharide unit form water resistant films when cast from aqueous solution and dried in the presence of atmospheric carbon dioxide. These films are soluble in aqueous caustic...	02/12/1991
4981960	Modified cellulose for biocompatible dialysis membranes IV and process for preparation thereof A modified cellulose for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein Cell is cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case of chitin, R'...	01/01/1991
4981959	Modified cellulose for biocompatible dialysis membranes II and process for preparation thereof A modified cellulose for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein cell is unmodified cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 in the case of...	01/01/1991
4582899	Manufacturing method for cellulose ether having high degree of substitution A manufacturing method for cellulose ether having a high degree of substitution characterized in that an etherifying agent represented by a general formula RCH2 X (where R is aromatic group, heterocyclic group, vinyl group or ethynyl group or t...	04/15/1986
4078140	2,3-Di-(2,3-diiodopropoxy)-propyl cellulose and method of producing the same The invention relates to a new substance, namely 2,3-di-(2,3-diiodopropoxy)-propyl cellulose and to the production of the same by the action of a dihalogenopropyl ether of cellulose with an alkali metal allylate with iodine addition to the resulting 2,3-d...	03/07/1978

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Class 536/93 - Unsaturated