US2744852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicinal composition containing diphenyl dihydro or tetrahydroglyoxaline-4-one and method of producing anticonvulsant activity
Assignee: Individual
•
Filing: 1953-10-21
•
Granted: 1956-05-08
•
Expires: 1973-10-21
Abstract
No abstract record available.
Inventors
- 👤 Louis S Goodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PHARMACEUTICAL PREPARATION HAVING ANTICONVULSANT ACITVITY, IN DOSAGE UNIT FORM, COMPRISING A PHARMACEUTICAL CARRIER AND AS THE ADDED ACTIVE MEDICAMENT ABOUT 100-600 MGMS. OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 5,5-DIPHENYLTETRAHYDROGLYOXYALINE-4-ONE AND 5,5-DIPHENYL$-1,2-DIHYDROGLYOXALINE-4-ONE.
Claim 2
Dependent Claim
35 words
A PHARMACEUTICAL PREPARATION HAVING ANTICONVULSANT ACITVITY, IN DOSAGE UNIT FORM, COMPRISING A PHARMACEUTICAL CARRIER AND AS THE ADDED ACTIVE MEDICAMENT ABOUT 100-600 MGMS. OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF 5,5-DIPHENYLTETRAHYDROGLYOXYALINE-4-ONE AND 5,5-DIPHENYL$-1,2-DIHYDROGLYOXALINE-4-ONE.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |