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:
Nov. 30, 2010
Filed:
Oct. 05, 2004
Applicants:
Satoshi Kobayashi, Tsukuba, JP;
Satoshi Mikami, Tsukuba, JP;
Inventors:
Satoshi Kobayashi, Tsukuba, JP;
Satoshi Mikami, Tsukuba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 35/24 (2006.01); C07D 311/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aromatic compound of the following formula (1), (2), (5) or (6), wherein, Arand Arrepresent a tetra-valent aromatic hydrocarbon group or a tetra-valent heterocyclic group, and Ar, Ar, Ar, Arand Arrepresent a tri-valent aromatic hydrocarbon group or a tri-valent heterocyclic group, Arepresents —Z—, —Z—Z— or —Z═Z—, wherein Z, Zand Zrepresent O, S or the like and Zand Zrepresent N, B, P or the like, X, X, X, X, X, X, X, and Xrepresent a halogen atom or the like.