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:
Apr. 23, 1996
Filed:
May. 31, 1995
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08G / ; C07D / ;
U.S. Cl.
CPC ...
525528 ; 528 45 ; 528 49 ; 528 52 ; 528 60 ; 528 61 ; 528 68 ; 528 73 ; 528116 ; 528124 ; 528407 ; 528418 ; 528421 ; 5483741 ; 5483751 ; 560 25 ; 560 26 ; 560358 ; 564 48 ; 564 50 ; 564 52 ;
Abstract
Isocyanate prepolymers based on an aromatic diisocyanate and a polyether polyol in which at least 95% of the isocyanate groups are blocked by blocking agents selected from