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. 04, 1987
Filed:
Aug. 04, 1986
Applicant:
Inventors:
Karl F Schimmel, Verona, PA (US);
Thomas A Ward, Gibsonia, PA (US);
Jerome A Seiner, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
528 26 ; 525540 ; 528106 ; 528183 ; 528272 ; 528335 ; 528341 ; 528342 ; 528343 ;
Abstract
An ungelled composition is prepared as the half-amide reaction product of a diester of oxalic acid and a material containing one or more primary and/or secondary amino groups and one or more different functional groups. The ungelled composition is useful as a crosslinking agent for amine group containing materials and as an intermediate in the preparation of resinous compositions for fire protective coatings.