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. 08, 1977
Filed:
Jul. 27, 1976
Applicant:
Inventors:
Kenneth G Phillips, River Forest, IL (US);
Edward G Ballweber, Glenwood, IL (US);
Radhakrishnan Selvarajan, Oak Park, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2605 / ; 260 / ; 2605 / ;
Abstract
A process for the production of water-soluble polyamine polymers by condensation reaction from ethylene dichloride and ammonia under pressure of 4-10 atmospheres which is conducted in two stages: