← Back to Patent Explorer
AT172334B Expired / Lapsed AT ⏱️ 0.0 years remaining

Process for the preparation of N-dialkylaminoalkylphenthiazines

Assignee: May & Baker Ltd
•
Filing: 1950-08-26
•
Granted: 1952-08-25
•
Expires: 1970-08-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Julius Nicholson Ashley
  • 👤 Samuel Sidney Berg

Bibliographic Details

Application Number —
Jurisdiction AT
Data Source google_patents
Last Synchronized 2026-11-03 10:47
CPC Classifications
—

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

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag