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:
Feb. 13, 2001
Filed:
Jun. 05, 1998
Applicant:
Inventors:
Didier J. Martin, Givry, FR;
Oliver J. Poncelet, Chalon sur Saone, FR;
Jeannine Rigola, Chalon sur Saone, FR;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/504 ;
U.S. Cl.
CPC ...
B01D 1/504 ;
Abstract
The invention concerns a method of decontaminating a photographic effluent. The method comprises contacting the effluent with a fibrous polymeric alumino-silicate and, optionally, with a cerium-based catalyst on an activated carbon membrane. The iron, silver, thiosulphate and organics contents of photographic effluents are reduced.