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:
Jan. 31, 1995
Filed:
Nov. 03, 1993
Applicant:
Inventors:
Claude D'Anvers, Brussels, BE;
Dirk M Coppens, Brussels, BE;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 21 ; 528 25 ; 528 27 ; 528 28 ; 528 29 ; 528 41 ; 528 42 ; 556429 ; 556439 ; 427387 ; 427389 ; 69 30 ;
Abstract
This invention relates to polysiloxanes having fluoroaliphatic- and carboxyl- containing terminal groups, their preparation and their use in imparting water-, oil- and soil-repellency and a soft hand to fibrous substrates such as leather, and to the resulting treated substrate.