US4078085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-Aminomethyl-4-homoisotwistane and its salt and process for producing same
Assignee: Kao Corp
•
Filing: 1976-06-28
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Granted: 1978-03-07
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Expires: 1996-06-28
Abstract
Abstract 3-Aminomethyl-4-homoisotwistane acid addition salts produced by the steps of reducing 4-homoisotwistane-3-carboxylic acid amide or 4-homoisotwistyl-3-cyanide represented by the following general formula, and converting 3-aminomethyl-4-homoisotwistane into its addition salt- ##STR1## wherein R stands for the group of the formula --CONH 2 or --CN.
Inventors
- 👤 Yoshiaka Inamoto
- 👤 Yoshiaka Fujikura
- 👤 Hiroshi Ikeda
- 👤 Naotake Takaishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:09
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
3-Aminomethyltricyclo [5.3.1.0 3 ,8 ] undecane and acid addition salts thereof.
Claim 2
Dependent Claim
11 words
3-Aminomethyltricyclo [5.3.1.0 3 ,8 ] undecane and acid addition salts thereof.
Claim 3
Dependent Claim
13 words
The compound of claim 1, wherein said acid addition salt is a hydrochloride.
Claim 4
Dependent Claim
19 words
A pharmaceutical composition which comprises an antiviral amount of a compound of claim 1 and a pharmaceutically acceptable adjuvant.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-06 | 1981-09-05 | 1982-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-06 | 1985-09-05 | 1986-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-06 | 1989-09-05 | 1990-03-07 | $7700.00 | Window Closed / Lapsed |