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:
Jan. 28, 1997
Filed:
May. 18, 1995
Applicant:
Inventors:
Douglas A Wicks, Mt. Lebanon, PA (US);
Lyuba K Gindin, Pittsburgh, PA (US);
Philip E Yeske, Pittsburgh, PA (US);
E Haakan Jonsson, Coraopolis, PA (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
5483141 ; 525131 ; 528 68 ; 560 34 ; 560160 ;
Abstract
The present invention relates to aspartate-functional hydantoin prepolymers prepared by reacting a polyisocyanate having a functionality of at least 1.8 with a polyaspartate corresponding to the formula ##STR1## wherein X represents an organic group which has a valency of n and is inert towards isocyanate groups at a temperature of 100.degree. C. or less, and