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. 28, 1989
Filed:
Dec. 11, 1987
Yasuyuki Goto, Yokohamashi, JP;
Tetsuya Ogawa, Yokohamashi, JP;
Chisso Corporation, Osaka, JP;
Abstract
A novel tolan type liquid crystal compound having a large optical anisotropy value, a high N-I transistion temperature and also a low viscosity, and a liquid crystal composition containing the same are provided, which compound is a 4-(trans-4'-alkylcyclohexyl-1'-ethyl)-3',4'-substituted- or 4-(trans-4'-alkylcyclohexyl-1'-ethyl)-4'-substituted-tolan expressed by the formula ##STR1## wherein R' represents an alkyl group of 1 to 10 carbon atoms, X' represents a halogen atom of F, Cl or Br and X' represents hydrogen atom or a halogen atom of F, Cl or Br.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile