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US3285922A
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N-cyclopropylmethyl-and -cyclobutyl-methyl-morphinans
Assignee: Research Corp
•
Filing: 1963-10-25
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Granted: 1966-11-15
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Marshall D Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/28; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
N-(CH2-Y)-6:HYDROXY - 1,3,4,9,10,10A - HEXAHYDRO2H-10,4A-IMINOETHANOPHENANTHRENE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
9 words
N-(CH2-Y)-6:HYDROXY - 1,3,4,9,10,10A - HEXAHYDRO2H-10,4A-IMINOETHANOPHENANTHRENE HAVING THE STRUCTURAL FORMULA
Claim 3
Dependent Claim
1 words
N-CYCLOPROPYLMETHYL-3-METHOXYISOMORPHINAN.
Claim 4
Dependent Claim
1 words
N-CYCLOPROPYLMETHYL-3-METHOXYISOMORPHINAN.
References Cited (Backward Citations)
US2524856A
Cited
US2746962A
Cited
US2885401A
Cited
US2770569A
Cited
US2970147A
Cited
US3060091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |