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:
Oct. 10, 1995
Filed:
Apr. 13, 1993
Applicant:
Inventors:
Thomas E Dando, Sunbury, OH (US);
Gary W Strehl, Midland, MI (US);
Assignee:
Ashland Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ; C08K / ;
U.S. Cl.
CPC ...
523139 ; 523145 ; 524424 ; 524425 ; 524433 ; 524456 ;
Abstract
This invention relates to a hot-box foundry mix. The hot-box foundry mix comprises (a) an aggregate (b) a thermosetting resin; (c) a latent acid curing catalyst; and (d) an effective benchlife extending amount of a compound selected from the group consisting of an alkaline earth metal carbonate, an alkaline earth metal oxide, and mixtures thereof. The hot-box foundry mixes are used to prepare foundry molds and cores. The foundry molds and cores are used to cast metals.