Liquid crystal compounds
CA 1106406 A · Owner: Chisso Corporation · Inventors: Furukawa, Kenji; Sugimori, Shigeru; Sato, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel compounds 4-alkyl-cyclohexenes having at the, 1-position thereof p-cyanophenyl group or 4'-cyano-4biphenylyl group. expressed by the general formula wherein R represents a straight alkyl group having 1-9 carbon atoms and n represents 1 or 2; methods for producing the same; and nematic liquid crystal (L.C.) compositions comprising at least one member selected from the group consisting of said compounds are provided. Said compounds having a cyclohexene ring have a lower viscosity than conventional L.C. compounds and have, effectivenesses of short response time when applied to L.C. display apparatus; superior compatibility with other L.C. compounds to form convenient L.C. mixture; and no …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.