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. 22, 1980
Filed:
Mar. 20, 1978
Applicant:
Inventor:
Vincent P Kuceski, Chicago Heights, IL (US);
Assignee:
The C. P. Hall Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528336 ; 528342 ;
Abstract
Aqueous bleed streams containing soluble aliphatic dicarboxylic acids from the nitric acid oxidation of organic materials and production of dicarboxylic acids, are processed to neutralize or remove nitric acid and also catalysts, if desired, and are then reacted with polyfunctional amines to form polyamides useful in numerous commercial applications.