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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.:

US 4391730 B1

PDFFull Text
Date of Patent:
Jul. 05, 1983

Filed:

Sep. 02, 1980

Nematic liquid crystal compounds and use and device for using the same

Applicant:
Inventors:

Frank Kuschel, Halle, DD;

Dietrich Demus, Halle, DD;

Doris Pfeiffer, Steinbach, DD;

Hans-Joachim Deutscher, Halle, DD;

Assignee:

VEB Werk fuer Fernsehelektronik Berlin im VEB Kombinat Mikroelektronik, Berlin, DD;

Attorney:

Jordan and Hamburg

Primary Examiner:

Teddy S Gron

Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
2522991 ; 2522995 ; 25229961 ; 25229963 ; 25229967 ; 350349 ; 3503 / ;
Abstract

A nematic liquid crystal for modulating light in electrooptical devices comprises:

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