← Back to Patent Explorer
EP0241647A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Basic products for the manufacture of ceramic materials

Assignee: Evonik Operations GmbH
•
Filing: 1987-01-28
•
Granted: —
•
Expires: 2007-01-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Der Grundstoff zur Herstellung von keramischen Werkstoffen enthält mindestens einen Stoff aus der Gruppe: pyrogen, insbesondere flammenhydrolytisch, hergestelltes Zirkonoxid, welches in Wasser dispergiert, gegebenenfalls mit Salzen Seltener Erden z.B. Yttrium dotiert, und sprüh­getrocknet wurde; pyrogen, insbesondere flammenhydrolytisch, hergestelltes Zirkonoxid-Titandioxid-Mischoxid; pyrogen, insbesondere flammenhydrolytisch, hergestelltes Aluminium-Titanoxid-Mischoxid; pyrogen, insbesondere flammenhydrolytisch, hergestelltes Zirkonoxid-Siliciumdioxid-Mischoxid; pyrogen, insbesondere flammenhydrolytisch, hergestelltes Siliciumdioxid, welches in Wasser dispergiert und sprüh­getrocknet wurde; pyrogen, insbesondere mittels dem Lichtbogenverfahren, her­gestelltes Siliciumdioxid, welches in Wasser dispergiert und sprühgetrocknet wurde; pyrogen, insbesondere flammenhydrolytisch, hergestelltes Zirkonoxid, welches in wässriger Dispersion mit pyrogen, insbesondere flammenhydrolytisch hergestelltem Silicium­dioxid vermischt und sprühgetrocknet wurde, enthält. The basic material for the production of ceramic materials contains at least one material from the group: pyrogenic, in particular flame-hydrolytically produced, zirconium oxide which has been dispersed in water, optionally doped with rare earth salts, for example yttrium, and has been spray-dried; pyrogenic, in particular flame hydrolytically produced zirconium oxide-titanium dioxide mixed oxide; pyrogenic, in particular flame hydrolytically produced aluminum-titanium oxide mixed oxide; pyrogenic, in particular flame hydrolytically produced zirconium oxide-silicon dioxide mixed oxide; fumed, in particular flame-hydrolytically produced silicon dioxide which has been dispersed in water and spray-dried; fumed, in particular by means of the arc process, silicon dioxide which has been dispersed in water and spray-dried; pyrogenic, in particular flame-hydrolytically produced, zirconium oxide, which was mixed in aqueous dispersion with pyrogenic, in particular flame-hydrolytically produced silicon dioxide and spray-dried.

Inventors

  • 👤 Anh Thu Dr. Liu
  • 👤 Peter Dr. Kleinschmit

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 16:40
CPC Classifications
C; C01; C01G; C01G25/00; C01G25/02; C01B; C01B13/00; C01B13/14; C01B13/20; C01B13/22; C01G23/00; C01G23/003; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/478; C04B35/48; C04B35/486; C04B35/49; C04B35/622; C04B35/626; C01P; C01P2004/00; C01P2004/01; C01P2004/03; C01P2004/04; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/12

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