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. 26, 1977
Filed:
Aug. 21, 1975
Applicant:
Inventors:
Assignee:
AGFA-Gevaert Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 6 / ; 96 5 / ;
Abstract
Photographic bleach-fix baths containing iron-III-complexes of aminopolyacetic acids as oxidizing agents are rejuvenated by reducing the iron-III-complexes with a reducing agent other the iron and thereafter are desilvered by treatment with iron.