Patent US2960441A successfully refreshed from Google Patents.
US2960441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic compositions of salts of 3, 3-pentamethylene-4-hydroxybutyric acid
Assignee: Warner Lambert Co LLC
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Filing: 1957-09-17
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Granted: 1960-11-15
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Expires: 1977-09-17
Abstract
No abstract record available.
Inventors
- 👤 Gilbert C Van Wessem
- 👤 Emile L Sakal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:01
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/20; A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; C07D307/00; C07D307/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A THERAPEUTIC COMPOSITION IN DOSAGE UNIT FORM COMPRISING NOT MORE THAN 100 MILLIGRAMS OF A SALT OF 3,3PENTAMETHYLENE-4-HYDROXY BUTYRIC ACID, THE CATION OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, ALKALINE EARTH METAL AND AMMONIUM, AND A PHARMACEUTICAL CARRIER.
Claim 2
Dependent Claim
43 words
A THERAPEUTIC COMPOSITION IN DOSAGE UNIT FORM COMPRISING NOT MORE THAN 100 MILLIGRAMS OF A SALT OF 3,3PENTAMETHYLENE-4-HYDROXY BUTYRIC ACID, THE CATION OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, ALKALINE EARTH METAL AND AMMONIUM, AND A PHARMACEUTICAL CARRIER.
References Cited (Backward Citations)
US2460240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |