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:
Aug. 04, 1998
Filed:
Apr. 18, 1997
Applicant:
Inventor:
Francoise Marie Thomas, Chalon Sur Saone, FR;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430449 ; 430404 ; 430405 ; 430448 ;
Abstract
The present invention concerns a method for developing a photographic product containing incorporated developers, and a layer of a novel activator. This method consists of applying to an exposed photographic product a thin layer of an aqueous homogeneous development activator solution which comprises (a) an alkanolamine in an amount higher or equal to 0.6 mol/l, (b) at least one stable wetting agent that is stable at a high pH and is miscible in the activator solution, and (c) a quaternary ammonium salt.