logo

For the Inventor, By the Inventor

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 8652353 B1

PDFFull Text
Date of Patent:
Feb. 18, 2014

Filed:

Jul. 19, 2012

Liquid crystal carbonate and liquid crystal medium containing the same with positive or negative dielectric anisotropy

Applicants:

Roman Slawomir Dabrowski, Warsaw, PL;

Przemyslaw Kula, Warsaw, PL;

Artur Choluj, Gora Kalwaria, PL;

Jerzy Dziaduszek, Warsaw, PL;

Katarzyna Garbat, Nieporet, PL;

Inventors:

Roman Slawomir Dabrowski, Warsaw, PL;

Przemyslaw Kula, Warsaw, PL;

Artur Choluj, Gora Kalwaria, PL;

Jerzy Dziaduszek, Warsaw, PL;

Katarzyna Garbat, Nieporet, PL;

Assignee:

Wojskowa Akademia Techniczna, Warszawa, PL;

Attorney:

King & Schickli, PLLC

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
C09K 19/06 (2006.01); C09K 19/52 (2006.01); C09K 19/34 (2006.01); C09K 19/30 (2006.01); C09K 19/12 (2006.01); C09K 19/00 (2006.01); C07C 69/96 (2006.01); C07C 331/00 (2006.01); C07C 381/00 (2006.01); C07C 41/00 (2006.01); C07C 43/02 (2006.01); C07C 43/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A novel liquid crystalline carbonate and the mixture containing the same: wherein R3 is an alkyl (HC) or an alkenyl (HC) group, each of 1 to 12 carbon atoms, the ring A is laterally unsubstituted benzene or pyridine or pyrimidine or trans-substituted cyclohexane ring, symbol r is 0 to 2; the lateral substituents: X, X, Xand Xin the benzene rings represent independently hydrogen or fluorine or chlorine atoms, Xis hydrogen or fluorine atom and simultaneously at least one of the substituents: X, Xand Xis fluorine or chlorine atoms, Y is an alkyl or an alkyloxy or an alkenyl or an alkenyloxy group, each of 1 to 12 carbon atoms or hydrogen or fluorine or chlorine atom or NCS group are described.

Find Patent Forward Citations

Dabrowski, Roman. (2014). Liquid crystal carbonate and liquid crystal medium containing the same with positive or negative dielectric anisotropy (U.S. Patent No. 8652353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8652353

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…