Patent EP0100834A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0100834A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Mechanically erasable writing liquid

Assignee: Pelikan International Corp Bhd
•
Filing: 1983-06-10
•
Granted: —
•
Expires: 2003-06-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A printing ink for capillary or jet printers adapted to form a mechanically erasable image, comprises a latex-based aqueous polymer dispersion including a water-soluble or organic-solvent soluble dyestuff coloring the particles of the dispersion without the use of additional solvent.

Inventors

  • 👤 Karl-Heinz Bohne
  • 👤 Hans-Jürgen Rahn

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 21:53
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/16

Claims Analysis

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

References Cited (Backward Citations)

US4256494A Cited
DE2914913A1 Cited
DE3041769A1 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