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:
Feb. 08, 1994
Filed:
Mar. 25, 1992
Applicant:
Inventors:
Richard Buchecker, Zurich, CH;
Assya I Pavluchenko, Moscow, SU;
Vladimir F Petrov, Moscow, SU;
Martin Schadt, Selitsberg, CH;
Natalia I Smirnova, Dolgoprudny, Moscow Region, SU;
Victor V Titov, Moscow, SU;
Assignees:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546339 ; 546346 ;
Abstract
Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or trans-4-alkylcyclohexyl and
Buchecker, Richard. (1994). Liquid crystalline mixtures containing 2-(2-fluorophenyl) pyridines (U.S. Patent No. 5284956). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5284956
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile