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:
Mar. 16, 2010
Filed:
Nov. 10, 2005
Qidan Ling, Singapore 119260, SG;
Wei Huang, Shanghai 200433, CN;
En-tang Kang, Singapore 809978, SG;
Koon Gee Neoh, Singapore 119260, SG;
Qidan Ling, Singapore 119260, SG;
Wei Huang, Shanghai 200433, CN;
En-Tang Kang, Singapore 809978, SG;
Koon Gee Neoh, Singapore 119260, SG;
Other;
Abstract
The invention relates to copolymer complexes of the formula (I): wherein [A-[B(C)]-D] denotes a single unit of the copolymer complex that is repeated n times, wherein n is an integer greater than one, and wherein the single unit comprises a conjugated backbone coordinated to a complex (C) comprising rare earth metal(s); x, y and z are numbers greater than zero such that x=y+z; A is independently selected from a group consisting of: fluorene, carbazole, oxadiazole, triphenylamine or derivatives thereof; B is a functional ligand selected from the group consisting of: benzoic acid, 1,3-diphenylpropane-1,3-dione, 1,10-phenanthroline, 2,2-bipyridine, or derivatives thereof; and D is independently selected from a group consisting of: fluorene, carbazole, oxadiazole, triphenylamine or derivatives thereof.