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:
Nov. 13, 1990
Filed:
Mar. 08, 1990
Applicant:
Inventors:
Kristy M Bailey, Naperville, IL (US);
Glenn W Flasch, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525344 ; 525 5424 ; 525 5426 ; 5253298 ; 521 405 ; 528487 ; 526930 ;
Abstract
A method for reconstituting superabsorbent polymer fines which comprises the following steps: wetting the superabsorbent polymer fines with an aqueous solution sufficient to form an amorphous gel of the fines, grinding the gel, and drying the ground gel product; wherein the improvement is characterized by the addition of an aqueous solution containing a persulfate salt.