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:
May. 03, 2005
Filed:
Apr. 24, 2001
Applicants:
Wei Huang, Singapore, SG;
Wang Lin Yu, Singapore, SG;
Jian Pei, Singapore, SG;
Soo Jin Chua, Singapore, SG;
Inventors:
Wei Huang, Singapore, SG;
Wang Lin Yu, Singapore, SG;
Jian Pei, Singapore, SG;
Soo Jin Chua, Singapore, SG;
Assignee:
Agency for Science, Technology and Research, Centros, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G073/00 ;
U.S. Cl.
CPC ...
Abstract
A polymeric material comprising alternate substituted fluorene and phenylene units, as represented by the following formulawherein R, R, Rand R, which may be identical or different, are each selected from the group consisting of H, a (C-C) linear or branched alkyl, alkoxy or oligo (oxyetylene) group, a (C-C) cycloalkyl group, and an unsubstituted or substituted aryl group, and n is from about 3 to about 5000.