The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 1976
Filed:
May. 06, 1974
Applicant:
Inventors:
Anthony Peter Downing, Runcorn, EN;
Richard Llewellyn Powell, Runcorn, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260869 ; 428290 ; 526242 ; 526271 ; 526324 ;
Abstract
An additive for imparting soil-release or anti-soiling characteristics to a textile comprising a copolymer formed by the chemical condensation of (A) an organic compound having a plurality of carboxylic anhydride groups, and (B) a bifunctional compound, each functional group being condensible with the anhydride groups of (A) and also containing a terminal fluorocarbon group of at least 3 carbon atoms.