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. 06, 2002
Filed:
May. 23, 2000
Applicant:
Inventors:
Gary M. Carlson, Dublin, OH (US);
Robert B. Fechter, Worthington, OH (US);
Edward G. Toplikar, Hilliard, OH (US);
D. Greg Hendershot, Columbus, OH (US);
Assignee:
Ashland Inc., Covington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/22 ;
U.S. Cl.
CPC ...
B22C 1/22 ;
Abstract
The subject invention relates to a foundry binder system that cures in the presence of a volatile amine curing catalyst. The binder system comprises a Part I component comprising (1) a phenolic resin component, and (2) a free radical initiator, and a Part II component comprising (1) a polyisocyanate, and (2) a multifunctional acrylate. The foundry binders are used for making foundry mixes. The foundry mixes are used to make foundry shapes that are used to make metal castings.