Patent US3225037A successfully refreshed from Google Patents.
US3225037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10-[(amino- and acylamino-1-piperidyl) lower-alkyl]-phenothiazines
Assignee: STWB Inc
•
Filing: 1959-03-30
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Granted: 1965-12-21
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Zenitz
- 👤 Lewis P Albro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:59
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
A 10 - (1 - (PIPERIDYL)LOWER-ALKYL)PHENOTHIAZINE WHEREIN THE LOWER-ALKYL GROUP CONTAINS FROM TWO TO FIVE CARBON ATOMS AND HAS ITS POINTS OF ATTACHMENT TO THE PHENOTHIAZINE AND PIPERIDINE MOIETIES ON DIFFERENT CARBON ATOMS AND THE PIPERIDYL RING IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF AMINO, LOWER-ALKANOYLAMINO AND MONOCARBOCYCLIC AROYLAMINO RADICALS IN OTHER THAN THE 2-POSITION.
Claim 2
Dependent Claim
58 words
A 10 - (1 - (PIPERIDYL)LOWER-ALKYL)PHENOTHIAZINE WHEREIN THE LOWER-ALKYL GROUP CONTAINS FROM TWO TO FIVE CARBON ATOMS AND HAS ITS POINTS OF ATTACHMENT TO THE PHENOTHIAZINE AND PIPERIDINE MOIETIES ON DIFFERENT CARBON ATOMS AND THE PIPERIDYL RING IS SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF AMINO, LOWER-ALKANOYLAMINO AND MONOCARBOCYCLIC AROYLAMINO RADICALS IN OTHER THAN THE 2-POSITION.
Claim 3
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
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US2837518A
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US2902485A
Cited
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |