US4259523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic compounds
Assignee: Sandoz AG
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Filing: 1979-05-11
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Granted: 1981-03-31
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Expires: 1999-05-11
Abstract
Abstract This invention provides new mono-deuterated prostaglandins having prolonged uterotonic activity.
Inventors
- 👤 Pietro Bollingen
- 👤 Manfred Krieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:08
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33; C07C; C07C405/00; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
7 words
A compound which is 15-deutero-11α,15R-dihydroxy-16,16-dimethyl-9-keto-2,3-(+)-trans-methylene-prosta-5cis,13 trans-dienoic acid.
Claim 2
Dependent Claim
7 words
A compound which is 15-deutero-11α,15R-dihydroxy-16,16-dimethyl-9-keto-2,3-(+)-trans-methylene-prosta-5cis,13 trans-dienoic acid.
Claim 3
Dependent Claim
7 words
A compound which is 15-deutero-11α,15R-dihydroxy-16,16-dimethyl-9-keto-2,3-(-)-trans-methylene-prosta-5cis,13 trans-dienoic acid.
Claim 4
Dependent Claim
7 words
A compound which is 15-deutero-11α,15R-dihydroxy-16,16-dimethyl-9-keto-2,3-(-)-trans-methylene-prosta-5cis,13 trans-dienoic acid.
Claim 5
Dependent Claim
7 words
A compound which is 15-deutero-16,16-dimethyl-2,3-(-)trans-methylene-9α,11α,15R-trihydroxy-prosta-5cis,13 trans-dienoic acid.
Claim 6
Dependent Claim
7 words
A compound which is 15-deutero-16,16-dimethyl-2,3-(-)trans-methylene-9α,11α,15R-trihydroxy-prosta-5cis,13 trans-dienoic acid.
References Cited (Backward Citations)
BE817383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |