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:
Aug. 14, 1990
Filed:
Sep. 05, 1989
Applicant:
Inventors:
Paul F Richardson, Glen Ellyn, IL (US);
Suzanne N Dunn, Naperville, IL (US);
John A Romberger, Oak Park, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ; D21H / ;
U.S. Cl.
CPC ...
1621571 ; 1621572 ; 1621573 ; 1621683 ;
Abstract
An aqueous slurry of comprising a plurality of synthetic fibers and from 0.1-10 percent by weight based on the weight of the fibers of a water-soluble acrylamide polymer dispersant containg at least 5 percent by weight of 2-acrylamido-2-methylpropanesulfonic acid units, said polymer having an RSV of at least 10.