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:
Nov. 13, 1990
Filed:
Nov. 09, 1988
Applicant:
Inventor:
Himangshu R Bhattacharjee, Morris Township, Morris County, NJ (US);
Assignee:
Allied-Signal, Morris Township, Morris County, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528336 ; 528313 ;
Abstract
A process for preparing polyamides which comprises condensing an aromatic or aliphatic diamine and an aromatic or aliphatic diacid or an amino acid in the presence of one or more aryl phosphoryl azide compounds.
Bhattacharjee, Himangshu. (1990). Preparation of polyamide in the presence of aryl phosphoryl azide (U.S. Patent No. 4970291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4970291
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile