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:
Apr. 26, 2005
Filed:
Apr. 25, 2002
Applicants:
Hans-joachim Timpe, Baumhofstr, DE;
Tobias Wittig, An der Bahn, DE;
Ursula Müller, Juessweg, DE;
Inventors:
Assignee:
Kodak Polychrome Graphics, LLC, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41C001/10 ; G03F007/038 ; G03F007/11 ; G03F007/30 ;
U.S. Cl.
CPC ...
Abstract
The use of certain mercapto compounds as shelf life improvers for infrared-sensitive lithographic printing plate precursors is disclosed. The compounds are five-membered heteroaromatic rings containing a nitrogen atom and at least one other heteroatom, which can be oxygen, sulfur, or another nitrogen atom, such that two ring heteroatoms are bonded to a ring carbon bearing a thiol group.