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:
Jul. 13, 1999
Filed:
Apr. 21, 1997
Applicant:
Inventors:
Marc Van Damme, Heverlee, BE;
Joan Vermeersch, Deinze, BE;
Thomas Nouwen, Meeuwen, BE;
Wim Sap, Brugge, BE;
Assignee:
AGFA-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03C / ;
U.S. Cl.
CPC ...
430162 ; 430159 ; 4302731 ; 430302 ; 430944 ; 430945 ;
Abstract
According to the present invention there is provided an imaging element for making a lithographic printing plate comprising on a support having a hydrophilic surface a photosensitive layer and a thermosensitive layer, said thermosensitive layer being opaque to light for which said photosensitive layer has spectral sensitivity and said thermosensitive layer being capable of rendered transparent upon exposure to laser light characterised in that an intermediate layer being soluble or swellable in an aqueous medium is provided between said photosensitive layer and said thermosensitive layer.