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:
May. 21, 1985
Filed:
Oct. 11, 1983
Applicant:
Inventor:
Yoshio Shionozaki, Nagano, JP;
Assignee:
Kabushiki Kaisha Suwa Seikosha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; C07C / ;
U.S. Cl.
CPC ...
3503 / ; 2522995 ; 25229963 ; 25229964 ; 25229968 ; 534566 ; 3503 / ;
Abstract
Ester-azoxy compounds represented by the general formula: ##STR1## wherein R and R' are straight-chain alkyl groups having one to eight carbon atoms are provided. When added to a twisted nematic-type liquid crystal composition, the liquid crystal temperature range is increased.