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:
Oct. 14, 1980
Filed:
Nov. 01, 1978
Applicant:
Inventors:
Michel Peignier, Versailles, FR;
Claude Renault, Saint-Remy-Les Chevreuse, FR;
Assignee:
Rhone Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L / ;
U.S. Cl.
CPC ...
8142 ; 252162 ; 252171 ;
Abstract
Process for anti-redeposition of staining substances on textiles of natural, synthetic or artificial fibers or mixtures thereof in the course of operations of dry cleaning or de-oiling by means of suitably stabilized perchloroethylene in which a sufficient amount of an additive represented by at least one monoketone compound having a boiling point below or equal to 160.degree. C. and, preferably lower than 140.degree. C., is added as an anti-redeposition additive.