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. 10, 1993
Filed:
Oct. 03, 1991
Applicant:
Inventors:
David C Alexander, Austin, TX (US);
Wheeler C Crawford, Houston, TX (US);
Howard P Klein, Katy, TX (US);
Assignee:
Texaco Chemical Company, White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08L / ;
U.S. Cl.
CPC ...
525523 ; 528 93 ; 528 94 ;
Abstract
An epoxy resin composition comprises the cured reaction product of an epoxy base resin and a curing agent mixture. The curing agent mixture comprises a di-primary amine and a carbamate which is the reaction product of the amine and a cyclic carbonate. The amine has a molecular weight of 60 to 400. Ethylene carbonate and propylene carbonate are the preferred carbonates. The preferred curative comprises a 1:1 to 2:1 molar amine:carbamate mixture.