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:
Aug. 01, 1989
Filed:
Dec. 16, 1987
Vladimir S Bezborodov, Minsk, SU;
Oleg A Grinkevich, Minsk, SU;
Mikhail F Grebenkin, Moscow, SU;
Valery I Lapanik, Minsk, SU;
Anatoly A Minko, Minsk, SU;
Vitaly V Rzhussky, Minsk, SU;
Anatoly A Muravsky, Minsk, SU;
Vladimir F Petrov, Moscow, SU;
Alexandr V Ivaschenko, Minsk, SU;
Abstract
2-(4,3-Disubstituted phenyl)-5-alkyl-1,3,2-dioxaborinane derivatives of the general formula ##STR1## wherein A is --OR', --CN, ##STR2## X,Y being simultaneously or independently H, F, Cl, R, R' standing for an alkyl radical of a normal structure, comprising from 1 to 7 carbon atoms, as components for a liquid crystal material. A liquid crystal material comprises at least two components, of which one is a compound of said formula, taken in an amount of from 3 to 75 percent by mass.