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:
Jun. 08, 1999
Filed:
May. 12, 1997
Applicant:
Inventors:
Frans A Audenaert, Kaprijke, BE;
Kathy EM.L.A. Allewaert, Haacht, BE;
Gert Hooftman, Tielrode, BE;
Makoto Nagase, Tokyo, JP;
Hugo R Lens, Boechout, BE;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 70 ; 528 28 ; 528 45 ; 528 49 ; 528 75 ; 525131 ; 524591 ; 4273934 ; 4284231 ; 252-862 ;
Abstract
The present invention relates to fluorochemical polyurethane compounds of the formula (I) according to claim 1, a method for their preparation and to compositions comprising that fluorochemical polyurethane compound. The compound and the composition comprising that compound are suitable to impart durable oil- and water-repellency and good laundry air-dry performance to substrates, such as fibers, woven or non-woven fabrics, carpets, leather and paper.