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:
Jul. 18, 1989
Filed:
Oct. 08, 1987
Applicant:
Inventors:
Raja Iyer, Hazelcrest, IL (US);
Rasik C Shah, Des Plaines, IL (US);
Robert A Laitar, Woodridge, IL (US);
Assignee:
Acme Resin Corporation, Westchester, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C04B / ; B22C / ;
U.S. Cl.
CPC ...
164526 ; 523145 ; 523147 ; 524594 ; 164527 ;
Abstract
An alkoxy-modified phenolic resole resin providing an improved binder for foundry cores and molds. The resin has predominantly ortho-ortho benzylic ether bridges joining the phenolic nuclei in the resin and at least one alkoxymethylene group for every 20 phenolic nuclei.