US2810676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anthelmintic solutions comprising piperazine compounds
Assignee: Dow Chemical Co
•
Filing: 1956-04-02
•
Granted: 1957-10-22
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Bartholdt C Hadler
- 👤 Earl L Pelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:35
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
COMPOSITION WHICH COMPRISES AN AQUEOUS SOLUTION CONSISTING OF ABOUT 1 MOLE OF A PIPERAZINE MONOSELECTED FROM THE GROUP CONSISTING OF PIPERAZINE MONOHYDROCHLORIDE, PIPERAZINE MONOPROPIONATE, PIPERAZINE MONOACETATE AND MIXTURE THEROF AND A TOTAL OF BETWEEN ABOUT 3 AND 18 MOLES OF WATER.
Claim 2
Dependent Claim
41 words
COMPOSITION WHICH COMPRISES AN AQUEOUS SOLUTION CONSISTING OF ABOUT 1 MOLE OF A PIPERAZINE MONOSELECTED FROM THE GROUP CONSISTING OF PIPERAZINE MONOHYDROCHLORIDE, PIPERAZINE MONOPROPIONATE, PIPERAZINE MONOACETATE AND MIXTURE THEROF AND A TOTAL OF BETWEEN ABOUT 3 AND 18 MOLES OF WATER.
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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |