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. 08, 1985
Filed:
Oct. 12, 1984
Applicant:
Inventors:
Robert A Laitar, Woodridge, IL (US);
Eduardo Gomez, Chicago, IL (US);
Assignee:
Acme Resin Corporation, Forest Park, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
523143 ; 525504 ;
Abstract
A foundry binder composition which provides foundry cores and molds of superior hot strength comprises a polyisocyanate, a polyhydroxy component and a catalyst. The polyhydroxy component is an alkoxy modified phenolic resole resin containing at least one alkoxy methylene group for every six phenolic nuclei in the resin.