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.

Date of Patent:
Jul. 22, 2008

Filed:

May. 27, 2005
Applicants:

Hidekazu Oohashi, Shizuoka, JP;

Kazuto Kunita, Shizuoka, JP;

Inventors:

Hidekazu Oohashi, Shizuoka, JP;

Kazuto Kunita, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G03F 7/004 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for forming a colored image with good visibility on a lithographic printing plate precursor by exposure to a laser light, particularly, a method for forming a colored image with good visibility on a lithographic printing plate precursor which is developable on a printing press, the method for forming a colored image comprising: exposing a lithographic printing plate precursor to a laser light; and heating or exposing the entire lithographic printing plate to form a colored image, wherein the lithographic printing precursor comprises a support and a photosensitive-thermosensitive layer capable of recording an image by exposure to an infrared laser, the photosensitive-thermosensitive layer containing an infrared absorbent and a discoloring material that undergoes color change upon exposure.


Find Patent Forward Citations

Loading…