Patent US4963258A successfully refreshed from Google Patents.
Patent JPS5238884A successfully refreshed from Google Patents.
Patent US928327A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3536723A Expired / Lapsed US ⏱️ 0.0 years remaining

P - (2 - alkyloxy - benzoyl) - aminobenzoates of n - dialkylamine - alkyl and their quaternary salts

Assignee: A Menarini SAS
•
Filing: 1967-09-19
•
Granted: 1970-10-27
•
Expires: 1987-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Mario Ghelardoni
  • 👤 Filippo Russo
  • 👤 Nicola Pisanti
  • 👤 Giovanna Volterra

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:39
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07C; C07C233/00; C07C233/01; C07C233/12

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) 1973-10-26 1974-04-27 1974-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-26 1978-04-27 1978-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-26 1982-04-27 1982-10-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag