US3723440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 6,7-benzomorphan
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1960-10-12
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Granted: 1973-03-27
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Expires: 1980-10-12
Abstract
Abstract A benzomorphan selected from the compounds of the formula WHEREIN R is hydrogen or acyl and R is a saturated or saturated acyclic hydrocarbon radical with three carbon atoms and their non-toxic, pharmacologically acceptable acid addition and quaternary salts exhibit strong analgesic activities without the undesirable side effects of morphine.
Inventors
- 👤 K Freter
- 👤 K Zeile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/26; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
1 words
2''-hydroxy-5,9-dimethyl-2-n-propyl-6,7-benzomorphan.
Claim 2
Dependent Claim
1 words
2''-hydroxy-5,9-dimethyl-2-allyl-6,7-benzomorphan.
Claim 3
Dependent Claim
1 words
2''-hydroxy-5,9-dimethyl-2-n-propyl-2-allyl-6,7-benzomorphanium-bromide.
Claim 4
Dependent Claim
1 words
2''-hydroxy-5,9-dimethyl-2-n-propyl-2-propargyl-6,7-benzomorphanium-bromide.
Claim 5
Dependent Claim
1 words
2''-acetoxy-5,9-dimethyl-2-n-propyl-2-allyl-6,7-benzomorphanium-bromide.
Claim 6
Dependent Claim
5 words
The compound of the formula
References Cited (Backward Citations)
US2924603A
Cited
US3138603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |