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:
Jun. 04, 1991
Filed:
Jul. 25, 1990
Applicant:
Inventors:
Ernest R Anderson, Rochester, NY (US);
Dominick Vacco, Rochester, NY (US);
Thomas J Dagon, Pittsford, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210661 ; 210668 ; 210670 ; 210679 ; 210683 ; 210743 ; 210757 ;
Abstract
Anions containing sulfur and oxygen, e.g. thiosulfate, can be catalytically reduced using a protonated anion ion exchange resin as a catalyst. The process is preferably conducted in an aqueous system and at a pH below about 8.