← Back to Patent Explorer
DE930608C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for the production of copies, especially printing forms, with the aid of water-insoluble diazo compounds

Assignee: Kalle GmbH and Co KG
•
Filing: 1951-09-28
•
Granted: 1955-07-21
•
Expires: 1971-09-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jakob Dr Barthenheier
  • 👤 Wilhelm Dr Neugebauer
  • 👤 August Rebenstock
  • 👤 Maximilian Paul Dr Schmidt
  • 👤 Oskar Dr Sues

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-01 03:02
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022

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