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:
Dec. 27, 1994
Filed:
Jan. 08, 1993
Applicant:
Inventors:
William R Dunnavant, Upper Arlington, OH (US);
Kenneth W Barnett, Worthington, OH (US);
Gary R Hysell, Columbus, OH (US);
Assignee:
Ashland Oil, Inc., Columbus, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523145 ; 523146 ; 523216 ; 524596 ;
Abstract
The subject invention relates to foundry mixes comprised of (a) an aqueous basic solution of a phenolic resole resin; (b) a major amount of reclaimed sand which has first been treated with an aqueous non halogenated surfactant solution, and (c) a liquid ester co-reactant.