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.

Date of Patent:
Apr. 21, 1981

Filed:

Aug. 17, 1979
Applicant:
Inventors:

Makoto Takeda, Ami, JP;

Eiji Taniyama, Ami, JP;

Yuji Ozawa, Ami, JP;

Makoto Imanari, Ami, JP;

Kunimasa Takahashi, Ami, JP;

Hiroshi Iwane, Ami, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568316 ; 2604 / ; 560102 ; 562492 ; 568807 ; 585430 ; 585431 ; 570129 ; 570184 ;
Abstract

A process for producing a halobiphenyl derivative represented by the following formula (I) comprises dehydrogenating a cyclohexylhalobenzene represented by the following formula (II) under such conditions that substantially no dehalogenation occurs. ##STR1## wherein X represents a halogen atom, and each of R.sup.1 and R.sup.2 independently represents a group represented by the formula ##STR2## wherein A represents carboxyl or an alkoxycarbonyl group and R represents a hydrogen atom or a lower alkyl group; an alkylcarbonyl; alkenyl; alkynyl; alkyl; aryl; arylcarbonyl; hydroxyalkyl; cyanoalkyl or cyanoalkenyl group.


Find Patent Forward Citations

Takeda, Makoto. (1981). Process for producing biphenyl derivatives (U.S. Patent No. 4263457). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4263457

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

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