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. 02, 2013
Filed:
Dec. 23, 2005
Applicant:
Caroline Towns, Suffolk, GB;
Inventor:
Carl R. Towns, Suffolk, GB;
Assignee:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); C08G 61/12 (2006.01); H01L 51/54 (2006.01); H01L 51/56 (2006.01); C07D 333/20 (2006.01); C08F 28/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of a polymerizable unit for production of a hole transporting polymer for use in an optical device, which process comprises reacting in the presence of S to form wherein each R is the same or different and is independently H or a substituent group; n is O or an integer from 1 to 100; Ar and Ar' are the same or different and are each aromatic or heteroaromatic groups which are substituted or unsubstituted; Y is a direct bond, a light emissive moiety, a hole transporting moiety or an electron transporting moiety; and X is a polymerizable group.