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:
Feb. 22, 1983
Filed:
May. 20, 1981
Applicant:
Inventors:
Kenneth G Phillips, River Forest, IL (US);
Paul J Harris, Orland Park, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525540 ; 528397 ;
Abstract
An improved process for synthesizing high molecular weight polyamines utilizing a self-limiting neutralizing agent to maintain a generally constant alkaline ph over the course of the synthesis reaction, and the improved high molecular weight polyamines produced thereby.