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. 22, 2000
Filed:
Feb. 22, 1999
Applicant:
Inventors:
Paul Coppens, Turnhout, BE;
Marcus Jonckheere, Oostkamp, BE;
Assignee:
AGFA-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ; G03C / ; B41N / ; B41N / ;
U.S. Cl.
CPC ...
430204 ; 430227 ; 4302781 ; 101459 ; 204165 ; 205918 ; 250324 ; 422907 ; 427533 ; 427534 ;
Abstract
According to the present invention there is provided a method for preparing a silver complex diffusion transfer reversal material comprising a grained and anodized aluminum foil as support and a photosensitive silver halide emulsion coating, characterized in that said grained and anodized aluminum foil is corona treated in a corona station comprising a roller and at least one electrode, that has been coated with a dielectric coating before said foil is coated by a photosensitive layer.