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:
Mar. 08, 1983
Filed:
Jun. 15, 1981
Applicant:
Inventors:
Ben R Bogner, Wheaton, IL (US);
Francis C Grant-Acquah, Northbrook, IL (US);
Assignee:
The Quaker Oats Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29J / ;
U.S. Cl.
CPC ...
264109 ;
Abstract
A binder system is disclosed which incorporates an internal release agent and comprises a mixture of polyisocyanate resin, furfural and an ester of phosphoric acid. In the process of the invention the ester of phosphoric acid is placed into solution with furfural and subsequently blended with the polyisocyanate. Increased stability of the binder system is observed as well as providing for increased mold releasing capabilities.