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. 25, 1998
Filed:
Jul. 15, 1996
Applicant:
Inventors:
Martin Brahm, Leverkusen, DE;
Carl-gerd Dieris, Dormagen, DE;
Lutz Schmalstieg, Koln, DE;
Reinhard Halpaap, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07D / ;
U.S. Cl.
CPC ...
528 73 ; 528 52 ; 528 67 ; 544193 ; 544221 ; 544222 ;
Abstract
A process for the production of polyisocyanates containing isocyanurate groups by the catalytic trimerization of a mixture of low molecular weight isocyanate components having aliphatically and aromatically bound isocyanate groups in the presence of aminosilyl compounds, the resulting polyisocyanates and their use in coating compositions.