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:
Dec. 30, 1980
Filed:
Jun. 10, 1977
Applicant:
Inventor:
Thomas C Allen, Asheville, NC (US);
Assignee:
Akzona Incorporated, Asheville, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 128284 ; 128285 ; 264192 ;
Abstract
Highly absorbent cellulosic fibers are made by incorporating therein from 2%-35% based on the weight of cellulose of a polymerized acrylamido-2-methylpropane sulfonic acid or a copolymer of acrylamido-2-methylpropane sulfonic acid with any one or combination of other polymerizable hydrophilic monomers such as acrylic acid, methacrylic acid, acrylonitrile and the like.