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. 16, 1993
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Arno H Reidies, LaSalle, IL (US);
Edward S Rogers, Princeton, IL (US);
Kenneth C Scott, Ottawa, IL (US);
Assignee:
Carus Corporation, Peru, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L / ;
U.S. Cl.
CPC ...
8107 ; 51308 ; 51308 ; 2521862 ; 25218625 ; 25218627 ; 25218643 ; 428404 ;
Abstract
A layered composition which includes a hardened core comprising at least about 50 weight percent permanganate which composition releases permanganate ion into an aqueous media over time is described. A method of making and using the composition of the invention also are described.