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:
May. 23, 2006
Filed:
Aug. 14, 2003
Paul Kitson, Evans, CO (US);
Kevin B. Ray, Fort Collins, CO (US);
S. Peter Pappas, Juno Beach, FL (US);
Paul Kitson, Evans, CO (US);
Kevin B. Ray, Fort Collins, CO (US);
S. Peter Pappas, Juno Beach, FL (US);
Kodak Polychrome Graphics LLC, Norwalk, CT (US);
Abstract
Multilayer, positive working, thermally imageable, bakeable imageable elements are disclosed. The elements have a substrate, an underlayer, and a top layer. The underlayer comprises a resin or resins having activated methylol and/or activated alkylated methylol groups, such as a resole resin, and a polymeric material that comprises, in polymerized form about 5 mol % to about 30 mol % of methacrylic acid; about 20 mol % to about 75 mol % of N-phenylmaleimide, N-cyclohexylmaleimide, N-benzylmaleimide, or a mixture thereof; optionally, about 5 mol % to about 50 mol % of methacrylamide; and about 3 mol % to about 50 mol % of a compound represented by the formula:CHC(R)C(O)NHCHOR,in which Ris Cto Calkyl, phenyl, Cto Csubstituted phenyl, Cto Caralkyl, or Si(CH); and Ris H or methyl. The elements produce bakeable lithographic printing plates that are resistant to press chemistries.