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:
Feb. 06, 2007
Filed:
Oct. 21, 2002
Applicants:
Carl Towns, Stansted, GB;
Paul Wallace, Royston, GB;
Ian Allen, Cambridge, GB;
Thomas Pounds, Cambridge, GB;
Lorraine Murtagh, Brentwood, GB;
Inventors:
Carl Towns, Stansted, GB;
Paul Wallace, Royston, GB;
Ian Allen, Cambridge, GB;
Thomas Pounds, Cambridge, GB;
Lorraine Murtagh, Brentwood, GB;
Assignee:
Cambridge Display Technology Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 79/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing high molecular weight polymers or copolymers by Suzuki coupling. The catalyst used in the process comprises a source of palladium and a source of a phosphine characterized in that at least one substituent on the phosphine is an ortho substituted aryl group. The process is suitable for the preparation of polymers for use in electronic and optoelectronic applications.