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. 19, 1980
Filed:
Jan. 15, 1979
Applicant:
Inventors:
Kenneth G Phillips, River Forest, IL (US);
Edward G Ballweber, Glenwood, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528493 ; 528496 ;
Abstract
Quarternary modified water-soluble polymers can be conveniently prepared in solid form by precipitation of the polymer with a water-in-oil emulsion of the polymer utilizing water-soluble organic solvents which are non-solvents for the cationic polymer.