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US3875156A Expired / Lapsed US ⏱️ 0.0 years remaining

Phenthiazine derivatives

Assignee: Rhone Poulenc SA
•
Filing: 1968-03-28
•
Granted: 1975-04-01
•
Expires: 1988-03-28
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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

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