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. 24, 2007
Filed:
Mar. 13, 2003
Jun Oguma, Abiko, JP;
Takahiro Ueoka, Tsukuba, JP;
Yoshiaki Tsubata, Tsukuba, JP;
Makoto Kitano, Tsukuba, JP;
Chizu Sekine, Tsukkuba, JP;
Jun Oguma, Abiko, JP;
Takahiro Ueoka, Tsukuba, JP;
Yoshiaki Tsubata, Tsukuba, JP;
Makoto Kitano, Tsukuba, JP;
Chizu Sekine, Tsukkuba, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
Provided is a polymer compound having a polystyrene reduced number average molecular weight of 10-10, and comprising a repeating unit represented by the below formula (1-1) or (1-2),wherein Ring A, Ring B, Ring C, or Ring D each independently represent an aromatic ring, and X represents S or O. The compound is usable as a light-emitting material, a charge transporting material, etc.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile