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:
Mar. 15, 1994
Filed:
Jun. 24, 1993
Applicant:
Inventors:
Josef Pedain, Koln, DE;
Heino Muller, Leverkusen, DE;
Dieter Mager, Leverkusen, DE;
Harald Blum, Wachtendonk, DE;
Holger Casselmann, Bergisch Gladbach, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
524591 ; 524839 ; 524840 ; 528 45 ; 528 49 ; 528 71 ; 2521822 ;
Abstract
The present invention relates to a polyisocyanate mixture which has blocked isocyanate groups and an average NCO-functionality, based on reversibly blocked isocyanate groups, of 2.0 to 2.6, and is the reaction product, converted into the salt form by the at least partial neutralization of the incorporated carboxyl groups, of