US3875156A
Expired / Lapsed
US
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Phenthiazine derivatives
Assignee: Rhone Poulenc SA
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Filing: 1968-03-28
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Granted: 1975-04-01
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Expires: 1988-03-28
Abstract
Abstract Phenthiazine derivatives of the formula: WHEREIN R represents an alkyl, alkyenyl or alkynyl group having at least 4 carbon atoms, are very active as long-acting neuroleptics, anti-emetics and tranquilisers.
Inventors
- 👤 Jean-Claude Rene Georg Blondel
- 👤 Jean Clement Louis Fouche
- 👤 Claude Georges Alexand Gueremy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:58
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/06; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/54
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
6 words
A PHENTHIAZINE DERIVATIVE OF THE FORMULA:
Claim 2
Dependent Claim
6 words
A PHENTHIAZINE DERIVATIVE OF THE FORMULA:
Claim 3
Dependent Claim
25 words
A phenthiazine derivative according to claim 1 wherein R represents 1-ethylpentyl, 1-methylhexyl, heptyl, 1,1-dimethylhexyl, octyl, nonyl, non-1-enyl, dec-9-enyl, dec-9-ynyl, decyl, undecyl, tridecyl, pentadecyl or heptadecyl.
Claim 4
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-palmitoyloxyethyl) -piperidino)propyl)phenthiazine.
Claim 5
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-palmitoyloxyethyl) -piperidino)propyl)phenthiazine.
Claim 6
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-undec-10'' -enoyloxyethyl)piperidino)propyl)phenthiazine.
Claim 7
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-undec-10'' -enoyloxyethyl)piperidino)propyl)phenthiazine.
Claim 8
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-lauroyloxyethyl) -piperidino)propyl)phenthiazine.
Claim 9
Dependent Claim
2 words
3-Dimethylsulphamoyl-10-(3-(4-(2-lauroyloxyethyl) -piperidino)propyl)phenthiazine.
References Cited (Backward Citations)
US3194733A
Cited
US3350268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-31 | 1978-09-30 | 1979-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-31 | 1982-09-30 | 1983-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-31 | 1986-09-30 | 1987-04-01 | $7700.00 | Window Closed / Lapsed |