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. 08, 1991
Filed:
Jan. 14, 1987
Applicant:
Inventors:
Ralph W Kaesler, Barrington, IL (US);
Dodd W Fong, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525351 ; 5253294 ;
Abstract
Acrylamide terpolymers which contain from 1-40 mole percent of acrylamido C.sub.1 -C.sub.3 alkyl of C.sub.1 -C.sub.3 hydroxy alkyl sulfonates may be prepared by using as the starting material aqueous acrylamide polymer gels.