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:
Apr. 14, 1992
Filed:
Jun. 01, 1990
Applicant:
Inventors:
Robert J Perry, Pittsford, NY (US);
S Richard Turner, Pittsford, NY (US);
Richard W Blevins, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528397 ; 528 26 ; 528183 ; 528220 ; 528348 ; 528391 ; 528422 ;
Abstract
A process for the preparation of aromatic polyamides comprises reacting carbon monoxide, a diamine and an aromatic polyiodide having at least two iodine atoms covalently bonded to an aromatic ring in non-ortho positions. The process is conducted in the presence of a solvent, a catalyst and a base at a pressure greater than about 15 psia (1.05 kg/cm.sup.2).
Perry, Robert. (1992). Preparation of polyamides from carbon monoxide, diamine and diiodide (U.S. Patent No. 5104971). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5104971
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile