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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.:

US 3988456 B1

PDFFull Text
Date of Patent:
Oct. 26, 1976

Filed:

Mar. 24, 1975

1,2-diphenylethanolamine derivatives and their salts and the preparation

Applicant:
Inventors:

Haruki Nishimura, Ikeda, JA;

Hitoshi Uno, Takatsuki, JA;

Kagayaki Natsuka, Ibaraki, JA;

Noriaki Shimokawa, Nagaokakyo, JA;

Masanao Shimizu, Kobe, JA;

Hideo Nakamura, Tenri, JA;

Assignee:

Dainippon Pharmaceutical Co., Ltd., Osaka, JA;

Attorney:

Stevens, Davis, Miller & Mosher

Primary Examiner:

Nicholas S Rizzo

Assistant Examiner:

Jose Tovar

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424250 ; 2602 / ; 2602 / ; 2602 / ;
Abstract

1,2-Diphenylethanolamine derivatives of the formula: ##SPC1## Wherein R.sub.1 and R.sub.2 are each hydrogen, a halogen, nitro, hydroxy, an alkyl or methoxy; R.sub.3 is a group of the formula: ##SPC2## Wherein R.sub.4, R.sub.5 and R.sub.6 are each hydrogen, a halogen or methoxy and n is an integer of 0 to 3, or a pyridyl; and Z is hydroxy or an acyloxy; with proviso that when R.sub.1 and/or R.sub.2 are hydroxy, Z is hydroxy, and their pharmaceutically acceptable salts, which have excellent analgesic and anti-tussive activities, and a process for the preparation thereof.

Find Patent Forward Citations

Nishimura, Haruki. (1976). 1,2-diphenylethanolamine derivatives and their salts and the preparation (U.S. Patent No. 3988456). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3988456

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

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