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. 03, 1981
Filed:
Feb. 21, 1979
Applicant:
Inventors:
Daniel A Chung, North Canton, OH (US);
John P Lawrence, Stow, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ;
U.S. Cl.
CPC ...
560 19 ; 2604 / ; 528 64 ; 560 50 ;
Abstract
The invention relates to substituted aromatic diamines and polyurethanes cured thereby. The diamines are individually selected from 3,5-diamino-4-tert-alkylbenzoates, 3,5-diamino-4-tert-alkylbenzonitriles and alkylene bis(3-amino-4-tert-alkylbenzoate).
Chung, Daniel. (1981). Aromatic diamines and polyurethanes cured thereby (U.S. Patent No. 4254272). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4254272
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile