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:
Mar. 17, 1981
Filed:
Oct. 29, 1979
Applicant:
Inventors:
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C09K / ;
U.S. Cl.
CPC ...
2604 / ; 252299 ; 2605 / ; 544314 ; 544316 ; 544318 ; 544334 ; 544335 ; 546288 ; 546296 ; 546302 ; 560 65 ; 562474 ;
Abstract
The invention relates to an organic compound having an enantiotropic or monotropic mesomorphous phase. The compound according to the invention complies with the general chemical formula: ##STR1## in which R is an alkyl radical, R' another alkyl radical or an alkoxy radical and the symbol is a radical which can either be an aromatic nucleus or a radical with two aromatic nuclei or a cyclohexane radical or contain at least one cyclohexane radical or a heterocycle of type ##STR2##