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Class Information
Number: 536/88
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Cellulose or derivative > Ethers > Subsequent treatment process > Viscosity, degree of polymerization or heat stability changed (e.g., degrading, cross-linking, etc.)
Description: Processes wherein the flow resistance, amount of polymerization, or high temperature stability is altered.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7319146 |
Nonionic cellulose ether and its use |
Jan. 15, 2008 |
| 7244840 |
Admixture, extrudable hydraulic composition and method for the selection of admixture |
Jul. 17, 2007 |
| 7229977 |
Composition for soluble films with a new hydrolyzed polysaccharide |
Jun. 12, 2007 |
| 7151173 |
Admixture, extrudable hydraulic composition and method for the selection of admixture |
Dec. 19, 2006 |
| 7022837 |
Cellulose ethers and method of preparing the same |
Apr. 4, 2006 |
| 7009046 |
Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression |
Mar. 7, 2006 |
| 6958394 |
Cellulose ester film |
Oct. 25, 2005 |
| 6914139 |
Solution of cellulose acylate dissolved in mixed solvent of ketone and ester |
Jul. 5, 2005 |
| 6884884 |
Galactomannan compositions and methods for making and using same |
Apr. 26, 2005 |
| 6730636 |
Environmentally acceptable well cement fluid loss control additives, compositions and methods |
May. 4, 2004 |
| 6610669 |
Water insoluble derivatives of polyanionic polysaccharides |
Aug. 26, 2003 |
| 6525192 |
Low-substituted hydroxypropyl cellulose and process for producing same |
Feb. 25, 2003 |
| 6294008 |
Haze-free cellulose ether capsules and process for making |
Sep. 25, 2001 |
| 6261218 |
Process and apparatus for making low molecular weight cellulose ethers |
Jul. 17, 2001 |
| 6229009 |
Polycarboxylic based cross-linked copolymers |
May. 8, 2001 |
| 6166119 |
Flowability additive |
Dec. 26, 2000 |
| 6103704 |
Therapeutic methods using hyaluronic acid |
Aug. 15, 2000 |
| 6069135 |
Use of hyaluronic acid or its derivatives to enhance delivery of therapeutic agents |
May. 30, 2000 |
| 6054511 |
High solids low viscosity polysaccharides |
Apr. 25, 2000 |
| 6030958 |
Water insoluble derivatives of hyaluronic acid |
Feb. 29, 2000 |
| 5998606 |
Mn(IV)-mediated crosslinking and functionalization of chromatography media |
Dec. 7, 1999 |
| 5985850 |
Compositions comprising hyaluronic acid and drugs |
Nov. 16, 1999 |
| 5792753 |
Compositions comprising hyaluronic acid and prostaglandin-synthesis-inhibiting drugs |
Aug. 11, 1998 |
| 5780616 |
Cationic polymer |
Jul. 14, 1998 |
| 5770711 |
Polysaccharides substituted with polycarboxylated moieties |
Jun. 23, 1998 |
| 5639738 |
Treatment of basal cell carcinoma and actinic keratosis employing hyaluronic acid and NSAIDs |
Jun. 17, 1997 |
| 5612321 |
Antioxidant grafted polysaccharides |
Mar. 18, 1997 |
| 5589589 |
Process for screening cellulose ethers |
Dec. 31, 1996 |
| 5583214 |
Dual functional cellulosic additives for latex compositions |
Dec. 10, 1996 |
| 5498705 |
Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
Mar. 12, 1996 |
| 5480984 |
Process of preparing high solids low viscosity polysaccharides |
Jan. 2, 1996 |
| 5470964 |
Process for the preparation of modified polysaccharides having improved absorbent properties |
Nov. 28, 1995 |
| 5181958 |
Aqueous emulsions of polyisocyanates and process for preparing them |
Jan. 26, 1993 |
| 5108507 |
Aqueous emulsions of polyisocyanates and process for preparing them |
Apr. 28, 1992 |
| 4997935 |
Modified cellulose for biocompatible dialysis membranes III and process for preparation thereof |
Mar. 5, 1991 |
| 4992538 |
Silated polysaccharides |
Feb. 12, 1991 |
| 4990608 |
Diaphragm wall construction gelatin composition |
Feb. 5, 1991 |
| 4981960 |
Modified cellulose for biocompatible dialysis membranes IV and process for preparation thereof |
Jan. 1, 1991 |
| 4981959 |
Modified cellulose for biocompatible dialysis membranes II and process for preparation thereof |
Jan. 1, 1991 |
| 4942128 |
Microbial cellulose modified during synthesis |
Jul. 17, 1990 |
| 4902733 |
Aqueous protective coating composition comprising 3-alkoxy-2-hydroxypropylhydroxyethylcellulose and film forming latex |
Feb. 20, 1990 |
| 4900457 |
Aqueous polysaccharide compositions |
Feb. 13, 1990 |
| 4894448 |
Process for the preparation of low-viscosity cellulose ethers |
Jan. 16, 1990 |
| 4820813 |
Grinding process for high viscosity cellulose ethers |
Apr. 11, 1989 |
| 4691013 |
Process for production of modified hydroxyethyl cellulose |
Sep. 1, 1987 |
| 4661266 |
Completion and workover fluids |
Apr. 28, 1987 |
| 4614601 |
Completion and workover fluids |
Sep. 30, 1986 |
| 4614545 |
Hydroxypropyl methyl cellulose thickening agents for organic liquids |
Sep. 30, 1986 |
| 4543410 |
Absorbent cellulosic base structures |
Sep. 24, 1985 |
| 4537958 |
Process for preparing cellulose ethers |
Aug. 27, 1985 |
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