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:
Jan. 24, 1995
Filed:
Jan. 27, 1992
Applicant:
Inventors:
Eike Poetsch, Muhltal, DE;
Raymond Jubb, Darmstadt, DE;
Ulrich Finkenzeller, Plankstadt, DE;
Thomas Jacob, Ober-Ramstadt, DE;
Jorg Ohngemach, Reinheim, DE;
Stefan Wilhelm, Heppenheim, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229901 ; 359103 ; 359 51 ; 359 52 ;
Abstract
The invention relates to a microdroplet or network system which is provided with active matrix addressing and whose liquid-crystal mixture contains one or more compounds of the formula I and in which the polymerization of the optically transparent medium is initiated by a photoinitiator which forms free radicals.