Patent US3272826A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3272826A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted 4[piperidylidene(4')]-9, 10-dihydro-4h-benzo [4, 5] cyclohepta [1, 2-b] thiophene and the 4 piperidyl 4 ol compounds

Assignee: Sandoz AG
•
Filing: 1963-08-29
•
Granted: 1966-09-13
•
Expires: 1983-08-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ernst Jucker
  • 👤 Anton Ebnoether
  • 👤 Andre Stoll
  • 👤 Jean-Michel Bastian
  • 👤 Erwin Rissi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:04
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/04; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; C07D333/50; C07D333/78; C07D333/80; C07D409/06; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/547; C07F9/6553; C07F9/655345

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 2
Dependent Claim 14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 3
Dependent Claim 14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:
Claim 4
Dependent Claim 14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANTIHISTAMINIC THIOPHENE OF THE FORMULA:

References Cited (Backward Citations)

US2813873A Cited
US2937118A Cited
US3014911A Cited
US3063902A Cited
US3047580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag