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. 04, 1993
Filed:
Nov. 02, 1992
Applicant:
Inventor:
James A Gallagher, Grosse Ile, MI (US);
Assignee:
BASF Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
521174 ; 25218224 ; 25218225 ; 25218227 ; 521176 ;
Abstract
A perfluorinated sulfonamide surfactant is provided which reduces polyurethane foam shrinkage upon demolding. The surfactant is particularly useful to reduce shrinkage of water-blown flexible polyurethane foams without the need for mechanical crushing.