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:
Apr. 20, 1982
Filed:
Dec. 24, 1980
Nicholas L Sethofer, San Jose, CA (US);
Timex Corporation, Waterbury, CT (US);
Abstract
Disclosed are compounds of the formula: ##STR1## where R is alkyl or alkoxy and R.sup.1 is alkyl, alkoxy, cyano or nitro and where ring N is a benzene or saturated cyclohexane ring. The compounds of the invention are compatible and useful in admixture with the general classes of cyanophenyl dioxane and/or cyclohexyl dioxane type liquid crystalline compounds to provide a broad nematic temperature range mixture with advantageous electrooptical and other properties. Novel admixtures including preferably at least about 30 weight percent of the compounds of the invention are disclosed. Preferred admixtures also include at least about 30 weight percent of cyanophenyl dioxanes and at least about 20 weight percent of cyclohexyl dioxanes.