Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2007-03-20
2007-03-20
Gilliam, Barbara L. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S270100, C430S281100, C430S286100, C430S302000, C430S309000, C430S494000, C430S944000, C430S945000
Reexamination Certificate
active
11015079
ABSTRACT:
Disclosed is a process for manufacturing an aluminum support for a planographic printing plate material, the process comprising the steps of electrolytically surface-roughening an aluminum plate in an electrolytic solution, employing a sinewave alternating current; and anodizing the surface-roughened aluminum plate, the electrolytically surface-roughening step comprising a first stage of electrolytically surface-roughening the aluminum plate in a first electrolytic solution containing hydrochloric acid as a main component at a current density of D1for t1at a quantity of electricity of Q1and a second stage of electrolytically surface-roughening the aluminum plate in a second electrolytic solution containing hydrochloric acid as a main component at a current density of D2for t2at a quantity of electricity of Q2.
REFERENCES:
patent: 6103087 (2000-08-01), Mori
patent: 2003/0031860 (2003-02-01), Hotta et al.
patent: 2004/0055490 (2004-03-01), Sampei
patent: 2005/0199505 (2005-09-01), Takagi
Frishauf Holtz Goodman & Chick P.C.
Gilliam Barbara L.
Konica Minolta & Medical Graphic, Inc.
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