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:
Aug. 13, 2002
Filed:
Jan. 19, 1999
Applicant:
Inventors:
Assignee:
Norton Performance Plastics, Chaineux, BE;
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/420 ;
U.S. Cl.
CPC ...
B29C 4/420 ;
Abstract
A flexible cellular material can be made by extruding a composition containing a polyurethane prepolymer, where the prepolymer has end groups selected from the group consisting of isocyanate end groups and trialkoxysilyl end groups, and the prepolymer is self-crosslinkable with moisture. The flexible cellular material has an expanded or foamed polymer matrix.