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. 01, 2008
Filed:
Jun. 20, 2002
Applicants:
Richard O'dell, Taufkirchen, DE;
Carl Towns, Stansted, GB;
Inventors:
Richard O'Dell, Taufkirchen, DE;
Carl Towns, Stansted, GB;
Assignee:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/00 (2006.01); C08G 61/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for making a polymer containing a first repeat unit having formula: —Ar—N(R)—Ar(N(R')—Ar)— which may be substituted or unsubstituted where x or 0 or 1; each Ar is the same or different and independently is a substituted or unsubstituted aryl or heteroaryl group and R and R′ each is hydrogen or a substituent group and a second repeat unit that is the same or different from the first repeat unit and comprises a substituted or unsubstituted, aryl or heteroaryl group.