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Class Information
Number: 536/87
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 > Liquid interaction properties changed (e.g., solubility, absorbability, etc.)
Description: Processes which include altering the interworking characteristics of the compound with liquids.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7319146 |
Nonionic cellulose ether and its use |
Jan. 15, 2008 |
| 7151173 |
Admixture, extrudable hydraulic composition and method for the selection of admixture |
Dec. 19, 2006 |
| 7098327 |
Dual-functional ion exchange resins from agricultural by-products |
Aug. 29, 2006 |
| 7026471 |
Purification method of hydroxypropylmethyl cellulose phthalate |
Apr. 11, 2006 |
| 7022837 |
Cellulose ethers and method of preparing the same |
Apr. 4, 2006 |
| 6914139 |
Solution of cellulose acylate dissolved in mixed solvent of ketone and ester |
Jul. 5, 2005 |
| 6531593 |
Method for production of cellulose derivatives and the resulting products |
Mar. 11, 2003 |
| 5994531 |
Cellulose ethers containing 2-propenyl groups and use thereof as protective colloids in polymerizations |
Nov. 30, 1999 |
| 5583214 |
Dual functional cellulosic additives for latex compositions |
Dec. 10, 1996 |
| 5541255 |
Cross-linked linear polysaccharide polymers as gels for electrophoresis |
Jul. 30, 1996 |
| 5527902 |
Bead-shaped cellulose products for separating and carrier materials and their manufacture |
Jun. 18, 1996 |
| 5498705 |
Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
Mar. 12, 1996 |
| 5470964 |
Process for the preparation of modified polysaccharides having improved absorbent properties |
Nov. 28, 1995 |
| 5346542 |
Aqueous dispersion of enteric polymers and a method for producing the same |
Sep. 13, 1994 |
| 5290829 |
Perfluorinated alkyl hydrophobe hydroxyalkylcellulose associative thickeners |
Mar. 1, 1994 |
| 5186847 |
Methods of preparing and using substantially debris-free gelled aqueous well treating fluids |
Feb. 16, 1993 |
| 5008385 |
Cellulose derivatives and fibers and membranes made therefrom |
Apr. 16, 1991 |
| 4994509 |
Multicolored compound for wall coating |
Feb. 19, 1991 |
| 4803264 |
Process for the preparation of a polysaccharide in oil dispersion and dispersion obtained thereby |
Feb. 7, 1989 |
| 4696762 |
Hydroxypropylmethylcellulose |
Sep. 29, 1987 |
| 4689408 |
Method of preparing salts of carboxymethylcellulose |
Aug. 25, 1987 |
| 4634438 |
pH-regulating Cellulose products |
Jan. 6, 1987 |
| 4634439 |
pH-regulating Cellulose fiber |
Jan. 6, 1987 |
| 4622153 |
Liquid polymer containing compositions for thickening aqueous systems |
Nov. 11, 1986 |
| 4615882 |
Disinfectant solution for contact lens |
Oct. 7, 1986 |
| 4584370 |
Process for the production of calcium cellulose glycolate |
Apr. 22, 1986 |
| 4582614 |
Compositions and method for thickening aqueous brines |
Apr. 15, 1986 |
| 4581446 |
Purification of cellulose ethers |
Apr. 8, 1986 |
| 4566977 |
Non-aqueous slurries used as thickeners |
Jan. 28, 1986 |
| 4537958 |
Process for preparing cellulose ethers |
Aug. 27, 1985 |
| 4536217 |
Absorbing cover for wounds and the method for manufacturing thereof |
Aug. 20, 1985 |
| 4521594 |
Process for producing sodium carboxymethylcellulose |
Jun. 4, 1985 |
| 4508894 |
Acid-type carboxymethyl cellulose and process for preparing the same |
Apr. 2, 1985 |
| 4474950 |
Cellulose ethers having improved dispersing properties |
Oct. 2, 1984 |
| 4439333 |
Heavy brine viscosifiers |
Mar. 27, 1984 |
| 4435564 |
Compositions and processes for using hydroxyethyl cellulose in heavy brines |
Mar. 6, 1984 |
| 4400502 |
Readily dispersible anionic, water-soluble cellulose derivatives and a method for their preparation |
Aug. 23, 1983 |
| RE31323 |
Preparation of water-insoluble carboxymethyl cellulose absorbents |
Jul. 26, 1983 |
| 4368323 |
Substantive wetting agents for absorbent materials |
Jan. 11, 1983 |
| 4357469 |
Carrier base material for prolonged release therapeutic compositions |
Nov. 2, 1982 |
| 4340731 |
Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same |
Jul. 20, 1982 |
| 4321367 |
Method for the preparation of cross-linked polysaccharide ethers |
Mar. 23, 1982 |
| 4309535 |
Method of improving dispersibility of anionic cellulose ethers |
Jan. 5, 1982 |
| 4294731 |
Method for drying absorbent modified cellulosic polymers and the like |
Oct. 13, 1981 |
| 4256877 |
Method of manufacturing cellulose derivative |
Mar. 17, 1981 |
| 4250306 |
Process and equipment for preparing swellable cross-linked carboxyalkylcelluloses from natural cellulose or cellulose hydrate and use thereof |
Feb. 10, 1981 |
| 4248595 |
Process for preparing swellable cross-linked carboxyalkylcelluloses, in the form of fibers, from cellulose hydrate and use thereof |
Feb. 3, 1981 |
| 4243802 |
Surfactant-soluble cellulose derivatives |
Jan. 6, 1981 |
| RE30368 |
Gas-permeable lens |
Aug. 12, 1980 |
| 4200736 |
Preparation of water-insoluble carboxymethyl cellulose absorbents |
Apr. 29, 1980 |
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