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:
Jan. 09, 1996
Filed:
Jun. 24, 1992
David Coates, Merley, GB;
Ian C Sage, Broadstone, GB;
Simon Greenfield, Creekmore, GB;
Graham Smith, Poole, GB;
David W Baxter, Wistaton, GB;
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Abstract
The invention relates to fluoro-chloro-benzene derivatives of the formula I ##STR1## wherein R denotes an alkyl or halogenoalkyl residue of up to 12 C atoms wherein one or two non-adjacent CH.sub.2 groups may also be replaced by -0- and/or -HC=CH-, the radical A is a ring of the formula (1) or (2): ##STR2## Q is a bivalent radical of the formula (1) or (2) or a single bond or--if radical A denotes trans-1,4-cyclohexylene--is also a bivalent radical of the formulae (3), (4) or (5): ##STR3## and L.degree., L.sup.1 and L.sup.2 are each independently H or F, with the proviso that at least one of L.degree., L.sup.1 and L.sup.2 present in the molecule denotes F.