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:
May. 17, 1988
Filed:
Jul. 11, 1985
Applicant:
Inventors:
Gerd Heppke, Berlin, DE;
Feodor Oestreicher, Berlin, DE;
Assignee:
Merck Patent Gesellschaft Mit Beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; C09K / ; C09K / ; C09K / ;
U.S. Cl.
CPC ...
25229961 ; 2522995 ; 25229962 ; 25229963 ; 25229964 ; 25229965 ; 25229966 ; 25229901 ; 3503 / ; 3503 / ; 560 55 ; 560 59 ; 560 61 ; 560 62 ; 560 63 ; 560 64 ; 560 65 ; 560 73 ; 560102 ; 560105 ; 560106 ; 560107 ; 560108 ; 560109 ; 560118 ; 560125 ; 560126 ; 560-1 ; 560138 ; 560187 ; 560188 ; 558114 ; 558116 ; 558117 ; 544318 ; 544335 ; 544336 ; 544406 ; 544408 ;
Abstract
Liquid crystal phases containing at least one optically active compound of the formula I