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. 10, 1984
Filed:
Dec. 31, 1981
Applicant:
Inventors:
Joseph M Makhlouf, Mars, PA (US);
Gregory J McCollum, Glenshaw, PA (US);
Paul R Kerr, Allison Park, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
524710 ; 524840 ; 525440 ; 525455 ; 525459 ; 525920 ; 526 75 ; 528 75 ;
Abstract
Polymerizable ethylenically unsaturated urea-urethane polymer dispersions are prepared. In preparing the dispersions a polyisocyanate, at least a portion of which is diisocyanate, is contacted with a polyfunctional amine containing primary and/or secondary amino groups in the presence of: