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:
Sep. 22, 1998
Filed:
Feb. 13, 1995
Applicant:
Inventors:
Andreas Wachtler, Griesheim, DE;
Reinhard Hittich, Modautal, DE;
Eike Poetsch, Muhltal, DE;
Herbert Plach, Darmstadt, DE;
David Coates, Merley, GB;
Ulrich Finkenzeller, Plankstadt, DE;
Thomas Geelhaar, Mainz, DE;
Volker Reiffenrath, Rossdorf, DE;
Bernhard Rieger, Munster-Altheim, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C07C / ;
U.S. Cl.
CPC ...
25229963 ; 25229966 ; 558414 ; 558423 ;
Abstract
Benzene derivatives of the formula I ##STR1## in which n is 1 to 7, Q is --CO or --(CH.sub.2).sub.r -- where r is 1 to 5, s is 0, 1 or 2, t is 0 or 1, where s+t.gtoreq.1, X is F, Cl, --CF.sub.3, --CN, --OCF.sub.3 or --OCHF.sub.2, and Y, L and Z are each, independently of one another, H or F.
Wachtler, Andreas. (1998). Benzene derivatives, and a liquid-crystalline medium (U.S. Patent No. 5811029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5811029
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile