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. 10, 2017
Filed:
Dec. 03, 2015
Applicant:
Pusan National University Industry-university Cooperation Foundation, Busan, KR;
Inventors:
Chang-Sik Ha, Busan, KR;
Tapaswi Pradip Kumar, Busan, KR;
Myeon Cheon Choi, Busan, KR;
Keuk Min Jeong, Jinju-si, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C07C 323/37 (2006.01); C07C 319/20 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1039 (2013.01); C07C 319/20 (2013.01); C07C 323/37 (2013.01); C08G 73/1067 (2013.01); C08G 73/10 (2013.01); C08L 79/08 (2013.01);
Abstract
Provided are a diamine compound, a polyamic acid and polyimide using the same. The diamine monomer compound is useful for preparing a transparent polyamic acid and polyimide having a high refractive index and a low birefringence.