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:
Dec. 19, 1995
Filed:
Dec. 08, 1994
Applicant:
Inventors:
Charles S Christ, Fairport, NY (US);
Albert R Szembrot, Penfield, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210729 ; 210912 ; 134 2213 ; 134 2217 ;
Abstract
A method of removing undesired precipitate from the surfaces of an apparatus; wherein the apparatus is used in a process for removing silver from silver bearing photoprocessing solutions and the process includes the step of mixing a mercapto-s-triazine, or a water soluble salt thereof, with a silver bearing photoprocessing solution, thereby causing formation of the undesired precipitate and a precipitate of silver mercapto-s-triazine, said method comprising flushing inner surfaces of the apparatus with an aqueous solution having a pH of at least 9.8 thereby solubilizing the undesired precipitate.