Patent US3639423A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3639423A Expired / Lapsed US ⏱️ 0.0 years remaining

Tricyclic aminomethyl derivatives

Assignee: Roche Diagnostics GmbH
•
Filing: 1967-12-11
•
Granted: 1972-02-01
•
Expires: 1987-12-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract NOVEL COMPOUNDS POSSESSING VALUABLE PHARMACOLOGICAL PROPERTIES AND USEFUL AS MUSCLE RELAXANTS, TRANQUILIZING AGENTS, ANTI-CONVULSIVES, ETC. ARE DISCLOSED. THE COMPOUNDS ARE DEFINED BY THE FOLLOWING FORMULA: 1-R1,3,4-(-CH(-CH(-R2)-N(-R3)-R4)-(1,2-PHENYLENE)-X-) BENZENE WHEREIN X IS SULFUR, OXYMETHYLENE, THIAMETHYLENE, THIAETHYLENE, IMINOMETHYLENE, PROPYLENE - 1,3 OR ALKYLATED IMINOMETHYLENE; R1 IS HYDROGEN, LOWER ALKYL, HALOGEN, ALKOXY TRIFLUOROMETHYL, OR ALKYL MERCAPTO AND R2, R3 AND R4 ARE EACH HYDROGEN OR LOWER ALKYL; OR A PHYSIOLOGICALLY ACCEPTABLE ACID ADDITION SALT THEREOF. THERE ARE ALSO DISCLOSED COMPOSITIONS CONTAINING THE ABOVE COMPOUNDS AS ACTIVE INGREDIENT AND METHODS OF USING THE SAME.

Inventors

  • 👤 Werner Winter
  • 👤 Max Thiel
  • 👤 Kurt Stach
  • 👤 Wolfgang Schaumann
  • 👤 Annemarie Ribbentrop

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:23
CPC Classifications
C; C07; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/12; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12; C07D337/16; C03; C03C; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/263; C03C2218/00; C03C2218/10; C03C2218/15

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) 1975-01-31 1975-08-02 1976-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-31 1979-08-02 1980-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-31 1983-08-02 1984-02-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag