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:
Oct. 11, 2011
Filed:
Nov. 19, 2003
Hidetaka Oka, Takarazuka, JP;
Jean-marie Adam, Rosenau, FR;
Hidetaka Oka, Takarazuka, JP;
Jean-Marie Adam, Rosenau, FR;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a photosensitive resin composition comprising a) as a component (A) a green colorant of the formula (I) in which the rings A, B, C and D are substituted by hydroxy or by moiety wherein R, is hydrogen or C,-C.-Alkyl, Ris hydrogen or C,-C-Alkyl, n is 0, 1, 2 or 3 and the ring E is unsubstituted or substituted by C,-Calkyl, C,-Calkoxy, hydroxy, NHCOR, NHSO, Ror SONHR, wherein R, is C,-C,-Alkyl or phenyl, R, is C,-C-Alkyl or phenyl and Ris C,-C-Alkyl or phenyl, b) as a component (B) an alkali soluble oligomer or polymer (reactive or unreactive), c) as a component (C) a polymerizable monomer, d) as a component (D) a photoinitiator, e) as a component (E) an epoxy compound, and also, if desired, f) as a component (F) further additives, used as solder resist, etching resist or plating resist in the manufacture of printed circuit boards.