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:
May. 21, 1985

Filed:

Jun. 22, 1981
Applicant:
Inventors:

Hajime Fujimura, Kyoto, JP;

Yasuzo Hiramatsu, Otsu, JP;

Tomio Yamazaki, Tokushima, JP;

Shozo Yamada, Tokushima, JP;

Takaji Honna, Tokushima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
514255 ; 544392 ; 544395 ;
Abstract

An analgesic composition containing as active ingredient a piperazine derivative represented by the general formula (1) ##STR1## wherein R.sub.1 represents a cyclopropylmethyl group, an isopropyl group or an allyl group and R.sub.2 represents a phenyl group having as substituent a halogen atom or a trifluoromethyl group.


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