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Class Information
Number: 536/92
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Cellulose or derivative > Ethers > Sulfur containing
Description: Compounds wherein the etherifying radical contains sulfur.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6924369 |
Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, process for preparing them, and their use as protective colloids in polymerizations |
Aug. 2, 2005 |
| 6764768 |
Controlled release composition |
Jul. 20, 2004 |
| 6656922 |
Oral delivery of macromolecules |
Dec. 2, 2003 |
| 6627751 |
Hydrophobically modified anionic cellulose ethers |
Sep. 30, 2003 |
| 6602994 |
Derivatized microfibrillar polysaccharide |
Aug. 5, 2003 |
| 6593468 |
Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof |
Jul. 15, 2003 |
| 6589943 |
Formulation of amphiphilic heparin derivatives for enhancing mucosal absorption |
Jul. 8, 2003 |
| 6313287 |
Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, processes for preparing them, and their use in emulsion paints |
Nov. 6, 2001 |
| 6245753 |
Amphiphilic polysaccharide derivatives |
Jun. 12, 2001 |
| 6068697 |
Polysaccharide derivatives and hydraulic compositions |
May. 30, 2000 |
| 5986087 |
Sulfonation of regenerated cellulose with sulfonated polymers and use of the thus modified fibres |
Nov. 16, 1999 |
| 5866387 |
Method for immobilizing ligand or compound having ligand bonded thereto |
Feb. 2, 1999 |
| 5807997 |
Method for immobilization of thiol compounds via activation of polymers, activated polymers, and products obtained by the method |
Sep. 15, 1998 |
| 5808052 |
Use of cellulose mixed ethers as additives for earth pressure shields |
Sep. 15, 1998 |
| 5591844 |
Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups |
Jan. 7, 1997 |
| 5486606 |
Cellulosic polymer, blood-treating device, and process for producing the same |
Jan. 23, 1996 |
| 5455341 |
Highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), a process for their production and their use in textile printing |
Oct. 3, 1995 |
| 5442054 |
Highly substituted sulphoalkycellulose derivatives, especially sulphoethycellulose ether, a process for their preparation and their use as thickening agent for textile printing pastes |
Aug. 15, 1995 |
| 5441932 |
Sugar compounds for inhibition of the biosynthesis of sugar chains containing sialic acid |
Aug. 15, 1995 |
| 5395930 |
Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl substituents |
Mar. 7, 1995 |
| 5385607 |
Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds |
Jan. 31, 1995 |
| 5358561 |
Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum-and cement-containing compounds |
Oct. 25, 1994 |
| 5278304 |
Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production |
Jan. 11, 1994 |
| 5245024 |
Cellulose chromatography support |
Sep. 14, 1993 |
| 5196527 |
Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier |
Mar. 23, 1993 |
| 5182380 |
Dihydroxypropyl sulphoethyl celluloses, their preparation and their use |
Jan. 26, 1993 |
| 5177199 |
Water-soluble hydroxypropyl sulfoethyl cellulose derivatives (HPSEC) having a low degree of substitution and a process for their production |
Jan. 5, 1993 |
| 5093486 |
Modified chitin for biocompatible dialysis membranes II and process for preparation of modified cellulose and modified chitin for use therewith |
Mar. 3, 1992 |
| 5093488 |
Modified chitin for biocompatible dialysis membranes III 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 |
| 5008385 |
Cellulose derivatives and fibers and membranes made therefrom |
Apr. 16, 1991 |
| 5001232 |
Carboxymethylsulphoethyl celluloses and a process for their preparation |
Mar. 19, 1991 |
| 4992538 |
Silated polysaccharides |
Feb. 12, 1991 |
| 4990609 |
Sulfoethyl cellulose of high solution quality and a process for its production |
Feb. 5, 1991 |
| 4972007 |
Use of cellulose derivatives in drilling fluids |
Nov. 20, 1990 |
| 4822681 |
Activated polymer solid bodies and processes for the production thereof |
Apr. 18, 1989 |
| 4694077 |
Novel cellulose derivative, process for preparing the same and sulfur dioxide gas permselective membrane comprising the same |
Sep. 15, 1987 |
| 4272526 |
Derivatives of chloral |
Jun. 9, 1981 |
| RE30459 |
Nitrite esters of polyhydroxy polymers |
Dec. 23, 1980 |
| 4178439 |
Sulphated ion exchanger and method for preparation thereof |
Dec. 11, 1979 |
| 4138535 |
Nitrite esters of polyhydroxy polymers |
Feb. 6, 1979 |
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