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. 13, 2010
Filed:
May. 09, 2003
Richard O'dell, Taufkirchen, DE;
Carl Towns, Essex, GB;
Brian Tierney, Cambridgeshire, GB;
Stephen O'connor, Suffolik, GB;
Ilaria Grizzi, Cambridge, GB;
Clare L. Foden, Cambridge, GB;
Nalinkumar Patel, Cambridgeshire, GB;
Mark L. Leadbeater, Cambridge, GB;
Lorraine Murtagh, Essex, GB;
Richard O'Dell, Taufkirchen, DE;
Carl Towns, Essex, GB;
Brian Tierney, Cambridgeshire, GB;
Stephen O'Connor, Suffolik, GB;
Ilaria Grizzi, Cambridge, GB;
Clare L. Foden, Cambridge, GB;
Nalinkumar Patel, Cambridgeshire, GB;
Mark L. Leadbeater, Cambridge, GB;
Lorraine Murtagh, Essex, GB;
Cambridge Display Technology Limited, Cambridgeshire, GB;
Abstract
A polymer for use in an optical device comprising a first, optionally substituted, repeat unit of formula and a second, optionally substituted, repeat unit of formula wherein each Ar and Ar' is the same or different and comprises an optionally substituted aryl or heteroaryl group and optionally a third, optionally substituted, repeat unit in a molar ratio of no greater than 5%, the third repeat unit having a formula —Ar—N(Ar)—Ar— and having a single nitrogen atom in its backbone.