US3014925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated mevalonic acid
Assignee: Merck and Co Inc
•
Filing: 1958-05-29
•
Granted: 1961-12-26
•
Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Bruce O Linn
- 👤 Clifford H Shunk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:50
CPC Classifications
C; C07; C07D; C07D315/00; C07C; C07C59/00; C07C59/01; C07C59/10; C07C59/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE PROCESS FOR PRODUCING THE LACTONE:
Claim 2
Dependent Claim
6 words
THE PROCESS FOR PRODUCING THE LACTONE:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |