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:
Sep. 25, 1979
Filed:
Mar. 30, 1978
Applicant:
Inventors:
Harold G Waddill, Austin, TX (US);
Heinz Schulze, Austin, TX (US);
Assignee:
Texaco Development Corp., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528112 ; 528 93 ; 528 94 ; 528111 ; 528113 ; 528367 ;
Abstract
Resistance to thermal shock of certain anhydride cured epoxy resins is unexpectedly enhanced by addition of a diamide of a polyoxyalkylenepolyamine-urea condensate. This superior resistance does not appreciably compromise heat deflection properties. The resins comprise a vicinal polyepoxide, a curing amount of a certain bicyclic anhydride and an effective amount of a diamide of a polyoxyalkylenepolyamine-urea condensate having a molecular weight of from about 4000 to 4500.