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:
Jun. 13, 2017
Filed:
Jan. 31, 2012
Sophie Barbara Heidenhain, Cambridgeshire, GB;
Matthew Roberts, Cambridge, GB;
Michael Cass, Cambridge, GB;
Natasha M. J. Conway, Cambridge, GB;
Fredrik Jakobsson, Cambridge, GB;
Sophie Barbara Heidenhain, Cambridgeshire, GB;
Matthew Roberts, Cambridge, GB;
Michael Cass, Cambridge, GB;
Natasha M. J. Conway, Cambridge, GB;
Fredrik Jakobsson, Cambridge, GB;
Cambridge Display Technology, Ltd., Godmanchester, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Abstract
A polymer comprising a repeat unit of formula (I): (I) wherein Arand Areach independently represent a substituted or unsubstituted aryl or heteroaryl group; Sp represents a spacer group comprising a chain of at least 2 aliphatic carbon atoms spacing Arfrom Ar; m is at least 1; and if m is greater than 1 then —(Ar)m forms a linear or branched chain of Argroups in which Arin each occurrence may be the same or different.