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. 23, 2002
Filed:
Apr. 09, 2001
Applicant:
Inventors:
Anthony Paul Kitson, West Yorkshire, GB;
Peter Andrew Reath Bennett, West Yorkshire, GB;
Kevin Barry Ray, West Yorkshire, GB;
Assignee:
Kodak Polychrome Graphics LLC, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/039 ; G03F 7/09 ; G03F 7/16 ; G03F 7/30 ;
U.S. Cl.
CPC ...
G03F 7/039 ; G03F 7/09 ; G03F 7/16 ; G03F 7/30 ;
Abstract
A composition used as a resist in the manufacture of electronic parts, for example printed circuits, and which is rendered soluble in a developer by patternwise delivery of heat, comprises a polymer of general formula (I), wherein R represents a hydrogen atom or alkyl group, R represents a hydrogen atom or alkyl group, R represents a hydrogen atom or alkyl group, and R represents hydroxyalkyl group, and wherein the ratio n/m is in the range 10/1 to 1/10.