← Back to Patent Explorer
DE905187C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the production of acidic wool dyes

Assignee: Hoechst AG
•
Filing: 1942-06-14
•
Granted: 1954-04-05
•
Expires: 1962-06-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dr Gustav Schaefer
  • 👤 Dr Hans Tampke

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 18:11
CPC Classifications
C; C09; C09B; C09B11/00; C09B11/04; C09B11/26

Claims Analysis

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

References Cited (Backward Citations)

CH210521A Cited

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