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. 24, 1990
Filed:
Jun. 24, 1988
Applicant:
Inventors:
Chen-Shih Wang, Troy, MI (US);
Richard P Atkins, Utica, MI (US);
Elio Eusebi, Troy, MI (US);
Thomas J Dearlove, Troy, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ;
U.S. Cl.
CPC ...
523220 ; 523440 ; 523443 ;
Abstract
A high strength, room temperature curable epoxy tooling compositions containing interstitially-matched filler systems for making cast-to-size forming tools for metal sheet stamping. The composition can be fully cured by at least one aliphatic amine catalyst in twelve hours producing a rigid article having a tensile strength of at least 40 MPa and a compressive strength of at least 100 MPa.