← Back to Patent Explorer
EP0307771A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Nacreous pigments which are stable in glazes and enamels

Assignee: Merck Patent GmbH
•
Filing: 1988-09-07
•
Granted: —
•
Expires: 2008-09-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The application relates to nacreous pigments which are stable in glazes and enamels and are based on lamellar substrates coated with metal oxides and additionally provided with a top layer of tin dioxide, colloidal gold being incorporated within the tin dioxide layer.

Inventors

  • 👤 Ralf Dr. Emmert

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 00:16
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0078

Claims Analysis

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

References Cited (Backward Citations)

EP0220509A1 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