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. 04, 2014
Filed:
Sep. 13, 2011
Nobuhito Ito, Hiki-gun, JP;
Masao Arima, Hiki-gun, JP;
Syouji Nishiguchi, Isesaki, JP;
Kouji Ogawa, Isesaki, JP;
Masayuki Kobayashi, Isesaki, JP;
Atsushi Sakamoto, Isesaki, JP;
Nobuhito Ito, Hiki-gun, JP;
Masao Arima, Hiki-gun, JP;
Syouji Nishiguchi, Isesaki, JP;
Kouji Ogawa, Isesaki, JP;
Masayuki Kobayashi, Isesaki, JP;
Atsushi Sakamoto, Isesaki, JP;
Taiyo Holdings Co., Ltd., Tokyo, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A carboxyl group-containing photosensitive resin is obtained by reacting an α,β-ethylenically unsaturated group-containing monocarboxylic acid (c) with a phenolic compound (a) containing the structure represented by the following general formula (I) and having at least two phenolic hydroxyl groups in its molecule, wherein part or the whole of the phenolic hydroxyl groups being modified into an oxyalkyl group, and further reacting a polybasic acid anhydride (d) with the resultant reaction product; wherein Rrepresents either one of a hydrocarbon radical of 1 to 11 carbon atoms, a SOgroup, an oxygen atom and sulfur atom, Rrepresents a hydrocarbon radical of 1 to 11 carbon atoms, 'a' represents an integer of 0 to 3, 'n' represents an integer of 1 to 2, and “m” represents an integer of 1 to 10.