Patent US2016954A successfully refreshed from Google Patents.
Patent US289284A successfully refreshed from Google Patents.
Patent US3140284A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3140284A Expired / Lapsed US ⏱️ 0.0 years remaining

New phenothiazine derivatives and a process for the production thereof

Assignee: Cilag Chemie Ltd
•
Filing: 1961-02-01
•
Granted: 1964-07-07
•
Expires: 1981-02-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Habicht Ernst
  • 👤 Feth Georg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:57
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/08; A; A61; A61K; A61K31/00; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D207/277; C07D417/00; C07D417/02; C07D417/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 14 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A PHENOTHIAZINE DERIVATIVE OF THE FORMULA
Claim 2
Dependent Claim 14 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A PHENOTHIAZINE DERIVATIVE OF THE FORMULA

References Cited (Backward Citations)

US2826588A Cited
US2931810A Cited
GB813428A Cited
US2945855A Cited
US2975193A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-07 1968-01-06 1968-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-07 1972-01-06 1972-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-07 1976-01-06 1976-07-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag