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:
Sep. 13, 2011
Filed:
Dec. 18, 2008
Sang-jun Choi, Seoul, KR;
Youn-jin Cho, Anyang-si, KR;
Seung-wook Shin, Uiwang-si, KR;
Hye-won Kim, Uiwang-si, KR;
Sang-Jun Choi, Seoul, KR;
Youn-Jin Cho, Anyang-si, KR;
Seung-Wook Shin, Uiwang-si, KR;
Hye-Won Kim, Uiwang-si, KR;
Cheil Industries, Inc., Gumi-si, Gyeongsangbuk-do, KR;
Abstract
A photosensitive polymer, the photosensitive polymer including repeating units represented by Formulae 1 to 3: wherein Rand Rare independently hydrogen or methyl, Ris a C4 to C20 acid-labile group, Ris a lactone-derived group, AR is a substituted or unsubstituted phenyl ring, or a substituted or unsubstituted aryl having from two to three fused aromatic rings, carbon Cis bonded directly to an aromatic ring of AR, l, m, and n are positive integers, l/(l+m+n) is about 0.1 to about 0.5, m/(l+m+n) is about 0.3 to about 0.5, and n/(l+m+n) is about 0.1 to 0.4.