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:
Apr. 15, 2014
Filed:
Jun. 02, 2011
Applicants:
Kyong-ho Yoon, Uiwang-si, KR;
Jin-kuk Lee, Uiwang-si, KR;
Hwan-sung Cheon, Uiwang-si, KR;
Min-soo Kim, Uiwang-si, KR;
Jee-yun Song, Uiwang-si, KR;
Inventors:
Kyong-Ho Yoon, Uiwang-si, KR;
Jin-Kuk Lee, Uiwang-si, KR;
Hwan-Sung Cheon, Uiwang-si, KR;
Min-Soo Kim, Uiwang-si, KR;
Jee-Yun Song, Uiwang-si, KR;
Assignee:
Cheil Industries, Inc., Gumi-Si, Kyeongsanbuk-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aromatic ring-containing polymer, an underlayer composition including the same, and associated methods, the aromatic ring-containing polymer including a group represented by one of the following Chemical Formulae 1-1, 1-2, 2-1, and 2-2: