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. 25, 1988
Filed:
May. 15, 1987
Applicant:
Inventors:
William R Dunnavant, Columbus, OH (US);
Robert B Fechter, Worthington, OH (US);
Gary R Hysell, Columbus, OH (US);
Young D Kim, Dublin, OH (US);
Heimo J Langer, Columbus, OH (US);
Assignee:
Ashland Oil, Inc., Russell, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
523145 ; 523147 ; 524361 ; 524364 ; 524377 ; 164 16 ; 164527 ;
Abstract
The subject invention relates to modifiers for aqueous basic solutions of phenolic resins. The modifiers are open-chain ether alcohols or ketone alcohols. They assist in stabilizing the aqueous basic solutions of phenolic resole resins and improve the tensile strength of foundry shapes prepared from foundry mixes made with the aqueous basic solutions.