Patent US3318876A successfully refreshed from Google Patents.
US3318876A
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Substituted piperazines and process for preparing same
Assignee: Gruppo Lepetit SpA
•
Filing: 1963-11-26
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Granted: 1967-05-09
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Cignarella Giorgio
- 👤 Testa Emilio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:33
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; C; C07; C07D; C07D241/00; C07D241/02; C07D241/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
2,2,6-TRIMETHYL-4-BENZYLPIPERAZINE. 8. 2,6-DIMETHYL-1-CINNAMYL-4-PROPIONYLPIPERAZINE.
Claim 2
Dependent Claim
3 words
2,2,6-TRIMETHYL-4-BENZYLPIPERAZINE. 8. 2,6-DIMETHYL-1-CINNAMYL-4-PROPIONYLPIPERAZINE.
References Cited (Backward Citations)
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Cited
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Cited
US2763652A
Cited
US2762805A
Cited
US2881157A
Cited
US2958624A
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US2927114A
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US3046277A
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US3167561A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |