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. 06, 1976
Filed:
Jun. 06, 1974
Applicant:
Inventor:
Curtis Lee Karl, Minneapolis, MN (US);
Assignee:
General Mills Chemicals, Inc., Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08F / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ;
Abstract
Acid solutions having pH values of about 2 or below and containing a homopolymer of 2-acrylamido-2-methylpropanesulfonic acid or a salt of the homopolymer.
Karl, Curtis. (1976). Acid compositions comprised of polymeric (U.S. Patent No. 3931089). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3931089
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile