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:
Oct. 11, 1988
Filed:
Feb. 03, 1988
Applicant:
Inventors:
Reinhard Halpaap, Cologne, DE;
Manfred Bock, Leverkusen, DE;
Josef Pedain, Cologne, DE;
Gerhard Klein, Monheim, DE;
Dieter Arlt, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
5253305 ; 528 59 ; 528 60 ; 528 61 ; 528 62 ; 528 64 ; 528 67 ; 528 81 ; 528 83 ;
Abstract
The present invention is directed to a process for the production of prepolymers containing free tertiary isocyanate groups by reacting