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.:

US 7250199 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 31, 2007

Filed:

Jan. 21, 2005
Applicants:

Andreas Wachtler, Griesheim, DE;

Reinhard Hittich, Modautal, DE;

Eike Poetsch, Mühltal, DE;

Herbert Plach, Darmstadt, DE;

David Coates, Wimborne, GB;

Bernhard Rieger, Münster-Altheim, DE;

Joachim Krause, Dieburg, DE;

Inventors:

Andreas Wachtler, Griesheim, DE;

Reinhard Hittich, Modautal, DE;

Eike Poetsch, Mühltal, DE;

Herbert Plach, Darmstadt, DE;

David Coates, Wimborne, GB;

Bernhard Rieger, Münster-Altheim, DE;

Joachim Krause, Dieburg, DE;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/30 (2006.01); C09K 19/12 (2006.01); C07C 25/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

Novel phenylcyclohexanes of the formula I in which n is 0 to 7, Qand Qare H, or one of these radicals is alternatively CH, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond, X is F, Cl, —CF, —CN, —OCFor —OCHF, and Y and Z are each, independently of one another, H or F, with the proviso that, in the case where A is a single bond, Q=Q=H and simultaneously X=CN, Y and/or Z are F.


Find Patent Forward Citations

Wachtler, Andreas. (2007). Phenylcyclohexanes and a liquid-crystalline medium (U.S. Patent No. 7250199). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7250199

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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