Printing – Planographic – Lithographic printing plates
Reexamination Certificate
2005-02-08
2005-02-08
Funk, Stephen R. (Department: 2854)
Printing
Planographic
Lithographic printing plates
C101S467000, C101S478000, C430S302000
Reexamination Certificate
active
06851364
ABSTRACT:
A printing plate material which can be adapted to digitization of the printing process and recycled and a method for renewing it. As the printing plate material, there can be used one which includes a substrate on the surface of which a coat layer containing a titanium oxide photocatalyst and at least one member selected from salts or oxides of Fe2+, Ni2+, Mn2+, Cr3+, and Cu2+is formed. In an initial state of the printing plate as prepared, it is adjusted to a state where the surface of the coat layer is hydrophobic. This surface is irradiated with ultraviolet rays to convert a part of the surface to a hydrophilic surface. This conversion is performed based on digital data corresponding to an image to be printed. In this case, the hydrophobic portion is used as a printing image portion and the hydrophilic portion is used as a non-printing image portion. After completion of the printing, the compound is applied again to change the surface of the coat layer into the initial state of the printing plate as prepared, in which the surface of the coat layer exhibits hydrophobicity again.
REFERENCES:
patent: 3717464 (1973-02-01), Tandy
patent: 4718340 (1988-01-01), Love, III
patent: 5713287 (1998-02-01), Gelbart
patent: 5743188 (1998-04-01), Ghosh et al.
patent: 5816161 (1998-10-01), Nussel et al.
patent: 6048654 (2000-04-01), Nakayama et al.
patent: 6079331 (2000-06-01), Koguchi et al.
patent: 6082263 (2000-07-01), Koguchi et al.
patent: 6106984 (2000-08-01), Kato et al.
patent: 6232034 (2001-05-01), Kasai et al.
patent: 6237493 (2001-05-01), Suda et al.
patent: 6258512 (2001-07-01), Kasai et al.
patent: 6294313 (2001-09-01), Kobayashi et al.
patent: 6318264 (2001-11-01), D'Heureuse et al.
patent: 9131914 (1997-05-01), None
patent: 10-35131 (1998-02-01), None
patent: 10-250027 (1998-09-01), None
patent: 11-078272 (1999-03-01), None
patent: 11-123804 (1999-05-01), None
patent: 11-123805 (1999-05-01), None
patent: 11-123806 (1999-05-01), None
patent: 11-123807 (1999-05-01), None
patent: 11-147360 (1999-06-01), None
patent: 11-174664 (1999-07-01), None
patent: 11-208134 (1999-08-01), None
patent: 11-245533 (1999-09-01), None
patent: 11-249287 (1999-09-01), None
patent: 11-258860 (1999-09-01), None
patent: 11-344804 (1999-12-01), None
patent: 2000-003046 (2000-01-01), None
patent: 2000-062334 (2000-02-01), None
patent: 2000-062335 (2000-02-01), None
patent: 2000-181068 (2000-06-01), None
patent: 9908158 (1999-02-01), None
Miyauchi et al., “Recent developments of photocalytic reactions” (Nov. 26, 1999) (both English and Japanese versions).
Fujishima et al, “Titanium dioxide photocatalysis”, Journal of Photochemistry and Photobiology C: Photochemistry Reviews 1 (2000) 1-21.
Funk Stephen R.
Mitsubishi Heavy Industries Ltd.
LandOfFree
Printing plate material and production and regenerating... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Printing plate material and production and regenerating..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Printing plate material and production and regenerating... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3474885