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:
Aug. 27, 1991
Filed:
Sep. 01, 1989
Applicant:
Inventors:
Pitchaiya Chandramouli, Louisville, KY (US);
Raja Iyer, Naperville, IL (US);
Calvin Johnson, Lockport, IL (US);
Assignee:
Borden, Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528129 ; 528142 ; 528147 ; 528155 ; 528161 ; 528162 ; 528230 ; 528239 ; 528259 ; 525480 ; 525501 ; 525503 ; 523143 ; 523145 ; 523146 ;
Abstract
A raw batch composition for use in making a shaped article such as a foundry shape or refractory article is disclosed. The composition comprises a mixture of an aggregate material; a phenol formaldehyde novolak resin; a phenol formaldehyde resole resin; and an ester functional curing agent. A shaped article prepared from the composition and processes for making a refractory body or foundry article are also disclosed.