US3334096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid salts of tertiaryaminoethyl beta-(1-naphthyl)-beta-(2-tetrahydrofuryl) isobutyrates
Assignee: Merck Sante SAS
•
Filing: 1964-03-18
•
Granted: 1967-08-01
•
Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Szarvasi Etienne
- 👤 Bayssat Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:54
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12; C07D307/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE ACID OXALATE OF 2-MORPHOLINOETHYL-B-(1-NAPHTHYL)-B''-(2-TETRAHYDROFURYL)-ISOBUTYRATE.
Claim 2
Dependent Claim
9 words
AN ACID SALT OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |