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. 23, 2002
Filed:
Jun. 07, 1999
Applicant:
Inventor:
Anthony A. Gallo, Olean, NY (US);
Assignee:
Loctite Corporation, Rocky Hill, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/738 ; B32B 2/728 ; C08G 5/916 ;
U.S. Cl.
CPC ...
B32B 2/738 ; B32B 2/728 ; C08G 5/916 ;
Abstract
The invention relates to a method of preparing a polybenzoxazine which includes heating a molding composition including a benzoxazine and a heterocyclic dicarboxylic acid to a temperature sufficient to cure the molding composition, thereby forming the polybenzoxazine. Also disclosed are a method of preparing a polybenzoxazine composition having near-zero volume change after post cure and a method of coating a device using a polybenzoxazine composition of this invention.