← Back to Patent Explorer
US3597433A Expired / Lapsed US ⏱️ 0.0 years remaining

10,11 - dihydro - 5,10 - (iminomethano)-5h-dibenzo(a,d)cycloheptene and derivatives thereof

Assignee: Wyeth Canada Inc
•
Filing: 1968-08-19
•
Granted: 1971-08-03
•
Expires: 1988-08-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THERE ARE DISCLOSED HEREIN 10,11-DIHYDRO-5,10-(IMINOMETHANO) - 5H -DIBENZO(A,B)CYCLOHEPTENE AND ITS CORRESPONDING 12-METHYL, 12-ETHYL, 12-PROPYL, 12-BUTYL, 12CYCLOPROPYLMETHYL, 12-BENZYL, 12-PHENETHYL, 12-TRIMETHOXYBENZYL, 12-DIMETHYLAMINOETHYL, 12-DIETHYLAMINOETHYL, 12-DIMETHYLAMINOPROPYL, 12-DIISOPROPYLAMINOPROPYL, 12PYRROLIDINOETHYL, 12-PIPERIDINOETHYL, 12-(4''-METHYLPIPERAZINOETHYL, 12-(4''-PHENYLPIPERAZINOETHYL) AND 12-MORPHOLINOETHYL DERIVATIVES AND THEIR HYDROCHLORIDE SALTS, AS WELL AS THE CORRESPONDING 13-KETONES USED AS INTERMEDIATES IN THE PREPARATION OF THE ABOVE COMPOUNDS. THE COMPOUNDS HAVE ANTICONVULSANT ACTIVITY SUBSTANTIALLY FREE FROM ATAXIC SIDE-EFFECTS, AND METHODS FOR THEIR PREPARATIONS AND USAE ARE ALSO DISCLOSED.

Inventors

  • 👤 Thomas A Dobson
  • 👤 Martin A Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:54
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/08

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-02 1975-02-01 1975-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-02 1979-02-01 1979-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-02 1983-02-01 1983-08-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag