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:
Jul. 30, 1996
Filed:
Sep. 06, 1994
Applicant:
Inventor:
Karl F Roenigk, Hudson, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 54 ; 424404 ; 424443 ; 424 781 ; 106 1836 ; 1061622 ; 106122 ; 1061643 ; 1061644 ; 1062001 ; 1062031 ;
Abstract
A water absorbing porous article comprising a sponge and a metal complex is disclosed The metal complex comprises a metal ion, at least one chelating polymer chelated to the metal ion and at least one potentiator chelated to the metal ion. The chelating polymer in a preferred embodiment is chitosan.