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Class Information
Number: 536/82
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 > Halogen containing compound utilized in process
Description: Processes in which a halogen containing compound is utilized in the subsequent treatment or in the formation of cellulose acetate.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5977346 |
Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof |
Nov. 2, 1999 |
| 5532350 |
Crosslinked polysaccharides useful as absorbent materials |
Jul. 2, 1996 |
| 5519130 |
Purification process by decomposition of haloalkanolic acid with dehalogenase |
May. 21, 1996 |
| 5294703 |
Process for preparing .alpha.-D-cellobiose octaacetate |
Mar. 15, 1994 |
| 5026841 |
Process for the preparation of finely divided porous cellulose particles |
Jun. 25, 1991 |
| 5024232 |
Novel radiopaque heavy metal polymer complexes, compositions of matter and articles prepared therefrom |
Jun. 18, 1991 |
| 5008385 |
Cellulose derivatives and fibers and membranes made therefrom |
Apr. 16, 1991 |
| 4997935 |
Modified cellulose for biocompatible dialysis membranes III and process for preparation thereof |
Mar. 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 |
| 4882392 |
Novel radiopaque heavy metal polymer complexes, compositions of matter and articles prepared therefrom |
Nov. 21, 1989 |
| 4599240 |
Cellulose food product and products resulting therefrom |
Jul. 8, 1986 |
| 4549012 |
Fluorinated cellulose acetate polymers |
Oct. 22, 1985 |
| 4501886 |
Cellulosic fibers from anisotropic solutions |
Feb. 26, 1985 |
| 4487926 |
Fluorine-containing cellulose derivatives |
Dec. 11, 1984 |
| 4461892 |
Process for preparing porous spherical cellulose particles |
Jul. 24, 1984 |
| 4390691 |
Process for preparing porous spherical cellulose particles |
Jun. 28, 1983 |
| 4312980 |
Process for preparing porous cellulose spherical particles |
Jan. 26, 1982 |
| 4228276 |
Direct precipitation method for producing extrusion-grade cellulose acetate powder and resulting product |
Oct. 14, 1980 |
| 4107426 |
Process for treating cellulose |
Aug. 15, 1978 |
| 4077971 |
Tetrahydrophthalimide methyl-2-phenylbenzatriazoles |
Mar. 7, 1978 |
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