US2762744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piperazine derivatives, production thereof and suppositories comprising the same
Assignee: Lab Bruneau & Cie
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Filing: 1951-08-24
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Granted: 1956-09-11
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Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 Hazard Rene
- 👤 Cheymol Jean
- 👤 Chabrier Pierre
- 👤 Jean E Thuillier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; A; A61; A61K; A61K9/00; A61K9/02; Y; Y10; Y10S; Y10S424/00; Y10S424/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF Z(1) N.N''-BIS(TERTIARY - AMINO - LOWER -ALKYL)-PIPERAZINES WHEREIN THE TERTIARY AMINO GROUP IS SELECTED FROM THE CLASS CONSISTING OF DIMETHYLAMINO, DIETHYLAMINO, PIPERIDYL AND MORPHOLYL GROUPS, AND (2) DI-(HALGENO-L,OWER-ALKYLATES) OF (1) WHEREIN THE HALOGENO IS SELECTED FROM THE CLASS CONSISTING OF IODO-AND BROMO.
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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |