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:
Jan. 10, 2006
Filed:
Aug. 01, 2000
Applicants:
Takanobu Noguchi, Tsukuba, JP;
Shuji Doi, Tsukuba, JP;
Makoto Kitano, Toyonaka, JP;
Inventors:
Assignee:
Sumito Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/14 (2006.01); C09K 11/06 (2006.01); C08G 61/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a polymeric fluorescent substance containing specific proportion of a repeating unit comprising 2 to 5 arylene groups or heterocyclic compound groups. The polymeric fluorescent substance has strong fluorescence, and can be suitably used as a polymer for high performance polymer LED and a dye for laser.