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:
Oct. 26, 1976
Filed:
Mar. 24, 1975
Haruki Nishimura, Ikeda, JA;
Hitoshi Uno, Takatsuki, JA;
Kagayaki Natsuka, Ibaraki, JA;
Noriaki Shimokawa, Nagaokakyo, JA;
Masanao Shimizu, Kobe, JA;
Hideo Nakamura, Tenri, JA;
Dainippon Pharmaceutical Co., Ltd., Osaka, JA;
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.