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Class Information
Number: 536/76
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Cellulose or derivative > Esters > Carboxylic acid esters > Acetates > Subsequent treatment process
Description: Processes in which cellulose acetates are purified, recovered, separated, altered physically; or treated chemically wherein the primary intent is merely to modify a property of the cellulose acetate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7442789 |
Method and apparatus for alkaline saponification of polymer film |
Oct. 28, 2008 |
| 7410680 |
Retardation film made by using cellulose derivatives |
Aug. 12, 2008 |
| 7244840 |
Admixture, extrudable hydraulic composition and method for the selection of admixture |
Jul. 17, 2007 |
| 7208592 |
Process for alkali saponification of cellulose ester film surface |
Apr. 24, 2007 |
| 7189464 |
Cellulose acylate film and producing method thereof |
Mar. 13, 2007 |
| 7151173 |
Admixture, extrudable hydraulic composition and method for the selection of admixture |
Dec. 19, 2006 |
| 7078078 |
Optical compensatory sheet comprising transparent support and optically anisotropic layer |
Jul. 18, 2006 |
| 7064113 |
Resin composition, method of molding the same, and method of recycling resin composition |
Jun. 20, 2006 |
| 7026470 |
Use of carboxymethyl cellulose acetate butyrate as a precoat or size for cellulosic man-made fiber boards |
Apr. 11, 2006 |
| 7022837 |
Cellulose ethers and method of preparing the same |
Apr. 4, 2006 |
| 7005427 |
Cellulose acylate solution for film products |
Feb. 28, 2006 |
| 6946519 |
Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing film |
Sep. 20, 2005 |
| 6921820 |
Method for forming cellulose |
Jul. 26, 2005 |
| 6914139 |
Solution of cellulose acylate dissolved in mixed solvent of ketone and ester |
Jul. 5, 2005 |
| 6683174 |
Cellulose triacetates and methods for producing the cellulose triacetates |
Jan. 27, 2004 |
| 6600034 |
Method of producing cellulose polymers |
Jul. 29, 2003 |
| 6300493 |
Method and compositions for modification of polysaccharide characteristics |
Oct. 9, 2001 |
| 6083582 |
Cellulose fiber based compositions and film and the process for their manufacture |
Jul. 4, 2000 |
| 5990304 |
Cellulose acetate excellent in physical strength, and process for production thereof |
Nov. 23, 1999 |
| 5985951 |
UV-curable nail coating formulations containing cellulose esters with ethylenically unsaturated pendant groups |
Nov. 16, 1999 |
| 5981741 |
Aminated acetate fiber |
Nov. 9, 1999 |
| 5981738 |
UV curable cellulose esters |
Nov. 9, 1999 |
| 5977346 |
Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof |
Nov. 2, 1999 |
| 5973139 |
Carboxylated cellulose esters |
Oct. 26, 1999 |
| 5962677 |
Cellulose acetate with high moldability and process for production thereof |
Oct. 5, 1999 |
| 5929229 |
Direct process for the production of cellulose esters |
Jul. 27, 1999 |
| 5928613 |
Apparatus for acetylating cellulose |
Jul. 27, 1999 |
| 5919920 |
Cellulose acetate with high moldability and process for production thereof |
Jul. 6, 1999 |
| 5914397 |
Cellulose acetate excellent in physical strength, and process for production thereof |
Jun. 22, 1999 |
| 5869646 |
Method and apparatus for acetylating cellulose |
Feb. 9, 1999 |
| 5821359 |
Acetylation of lignocellulosic fibres |
Oct. 13, 1998 |
| 5821358 |
Methods and compositions for modification of polysaccharide characteristics |
Oct. 13, 1998 |
| 5817381 |
Cellulose fiber based compositions and film and the process for their manufacture |
Oct. 6, 1998 |
| 5741901 |
UV curable cellulose esters |
Apr. 21, 1998 |
| 5705631 |
Laminar flow process of preparing cellulose diacetate fibers |
Jan. 6, 1998 |
| 5705632 |
Process for the preparation of cellulose acetate film |
Jan. 6, 1998 |
| 5674999 |
Process for preparing readily dispersible water-soluble cellulosic polymers |
Oct. 7, 1997 |
| 5663310 |
Cellulose acetate solution and process for the preparation of the same |
Sep. 2, 1997 |
| 5610233 |
Aqueous coating compositions containing cellulose esters |
Mar. 11, 1997 |
| 5608051 |
Acetylation of lignocellulosic materials |
Mar. 4, 1997 |
| 5597912 |
Process for preparing cellulose esters by use of carboxylic acids |
Jan. 28, 1997 |
| 5532350 |
Crosslinked polysaccharides useful as absorbent materials |
Jul. 2, 1996 |
| 5519130 |
Purification process by decomposition of haloalkanolic acid with dehalogenase |
May. 21, 1996 |
| 5505830 |
Biodegradable compostable plastic and method of making the same |
Apr. 9, 1996 |
| 5484913 |
Calcium-modified oxidized cellulose hemostat |
Jan. 16, 1996 |
| 5451672 |
Process for producing cellulose acetate |
Sep. 19, 1995 |
| 5449555 |
Cellulose acetate filaments, an optically isotropic spinning solution therefor, and use thereof for the production of filaments |
Sep. 12, 1995 |
| 5371211 |
Cellulose esters and salts thereof |
Dec. 6, 1994 |
| 5364935 |
Continuous hydrolysis of cellulose acetate |
Nov. 15, 1994 |
| 5330642 |
Method of filtering cellulose acetate solutions as well as a plant for carrying out the method |
Jul. 19, 1994 |
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