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:
Apr. 20, 1976
Filed:
Dec. 18, 1973
Michio Kimura, Minoo, JA;
Takeshi Nakajima, Minoo, JA;
Toshio Atsumi, Ashiya, JA;
Kenji Kobayashi, Takarazuka, JA;
Yoshiaki Takebayashi, Takarazuka, JA;
Shigeho Inaba, Takarazuka, JA;
Hisao Yamamoto, Nishinomiya, JA;
Abstract
A 3-benzazocine compound of the formula: ##SPC1## Wherein R.sub.1, R.sub.3, R.sub.4, R.sub.5 and R.sub.8 are each hydrogen or lower alkyl, R.sub.2 is hydrogen, lower alkyl or phenyl and R.sub.6 and R.sub.7 are each lower alkyl, and its pharmaceutically acceptable acid addition salts, which are useful as analgesics and can be produced by reacting a tetrahydropyridine compound of the formula: ##SPC2## Wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are each as defined above or its salt with a Lewis acid.