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:
Jan. 20, 1976
Filed:
Apr. 03, 1974
Applicant:
Inventor:
Joseph Theodore Willett, Clayton, MI (US);
Assignee:
Anderson Development Company, Adrian, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
252182 ; 260 / ; 2604 / ;
Abstract
Improved curing agents having long pot life for use with urethane elastomers are prepared by reacting orthochloroaniline, an ester of anthranilic acid, and formaldehyde in selected molar ratios in an acid medium.