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. 17, 1987
Filed:
Dec. 15, 1983
Applicant:
Inventors:
Mu-Yen M Wu, Cuyahoga Falls, OH (US);
Lawrence E Ball, Akron, OH (US);
Gerald P Coffey, Lyndhurst, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528315 ; 526 90 ; 526171 ; 526172 ; 526310 ; 526311 ; 526312 ; 528310 ; 528319 ; 528336 ; 528335 ; 528363 ;
Abstract
A polyamide is produced by polymerizing at least one of an alpha, beta-unsaturated carboxylic acid and ammonia, an ammonium salt of an alpha, beta-unsaturated carboxylic acid, an alpha, beta-unsaturated nitrile and water, a beta-amino propionic acid or alkyl derivative thereof and an alpha, beta-unsaturated amide and ammonia in the presence of a catalyst comprising a pentaammine cobalt (III) complex.