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:
Aug. 04, 2015
Filed:
Apr. 19, 2011
Applicants:
Jean-francois Eckert, Kientzville, FR;
Satish Palika, Zofingen, CH;
Andreas Schuster, Freiburg, DE;
Inventors:
Assignee:
ROLIC AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133711 (2013.01); G02F 1/133788 (2013.01);
Abstract
The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals comprising a main chain and a side chain, wherein the side chain comprises a difluoromethylene group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).