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:
Apr. 28, 1992
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Richard M Nugent, Jr, Allison Park, PA (US);
Thomas A Ward, Gibsonia, PA (US);
Paul P Greigger, Allison Park, PA (US);
Jerome A Seiner, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C09K / ;
U.S. Cl.
CPC ...
4283044 ; 4283055 ; 428921 ; 521 85 ; 521 92 ; 521178 ; 521907 ; 523179 ;
Abstract
Disclosed is an intumescent curable composition which contains as a resinous binder a flexible polyepoxide resin. The polyepoxide is cured with an appropriate curing agent adapted for the particular resin. An additive component is present which contains a mixture of materials which provide a source of