Organic compounds (class 532, subclass 1) > Carbohydrates or derivatives > Cellulose or derivative > Esters > Carboxylic acid esters > Acetates > Subsequent treatment process > Recovery from photographic film > Patents

Browse by:

Browse by Category: Main > Chemistry

Class Information
Number: 536/78
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 > Recovery from photographic film
Description: Processes in which cellulose acetate is recovered from photos:graphic film.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7189464	Cellulose acylate film and producing method thereof	Mar. 13, 2007
6258539	Restriction enzyme mediated adapter	Jul. 10, 2001
6232067	Adapter directed expression analysis	May. 15, 2001
5543390	Covalent microparticle-drug conjugates for biological targeting	Aug. 6, 1996
5500328	Recovery of photographic film base	Mar. 19, 1996
5214137	Preparation of cellulose diacetate by recycling processed film	May. 25, 1993
4988617	Method of detecting a nucleotide change in nucleic acids	Jan. 29, 1991