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:
Feb. 02, 2016
Filed:
Oct. 30, 2012
Masamichi Kamiya, Ota, JP;
Yasuhiro Asawa, Oata, JP;
Yasushi Miyamoto, Gunma-ken, JP;
Maru Aburano, Gunma-ken, JP;
Eiji Hayakawa, Utsunomiya, JP;
Masamichi Kamiya, Ota, JP;
Yasuhiro Asawa, Oata, JP;
Yasushi Miyamoto, Gunma-ken, JP;
Maru Aburano, Gunma-ken, JP;
Eiji Hayakawa, Utsunomiya, JP;
EASTMAN KODAK COMPANY, Rochester, NY (US);
Abstract
A positive-working lithographic printing plate precursor exhibits satisfactory developability and has long print run length, satisfactory scratch resistance, and exhibits improved ink receptivity. This precursor has an image forming layer comprising a water-insoluble and alkali-soluble or alkali-dispersible resin. The image forming layer comprises at least a lower layer and an upper layer. A resin in at least one of the lower layer and the upper layer is a polyurethane including a recurring unit comprising a substituent having an acidic hydrogen atom and a recurring unit represented by the following formula: wherein Ris an alkyl or polyether group in which at least 50% of hydrogen atoms have been fluorinated, Ris a hydrogen atom, or a substituted or non-substituted alkyl group, m is 0 or 1 to 10, n is 1 to 30, and x is 1 to 4.