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:
Sep. 02, 2008
Filed:
Jan. 28, 2002
Applicants:
Richard Buchecker, Zurich, CH;
Zoubair M. Cherkaoui, Allschwil, CH;
Thomas Peglow, Lorrach, DE;
Franco Moia, Frenkendorf, CH;
Inventors:
Richard Buchecker, Zurich, CH;
Zoubair M. Cherkaoui, Allschwil, CH;
Thomas Peglow, Lorrach, DE;
Franco Moia, Frenkendorf, CH;
Assignee:
Rolic Ltd c/o Rolic Technologies Ltd, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/00 (2006.01); C09K 19/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mesogenic, crosslinkable mixture comprising at least one polymerisable liquid crystal and at least one polymerisable dichroic dye of the general formula I: wherein A represents a dichroic residue exhibiting at least partial absorption in the visible region >400 nm; n1, n2, n3, n4 signifies 0 or 1 whereby the sum of n1, n2, n3 and n4 is >0, and Band Brepresent a group of substructure II