Patent DE155303C successfully refreshed from Google Patents.
Patent EP0372335A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0372335A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Black pigment, process for preparing it and its use

Assignee: Bayer AG
•
Filing: 1989-11-25
•
Granted: —
•
Expires: 2009-11-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The present invention relates to a black pigment essentially consisting of manganese ferrate of the general composition Mn1+xFe2-xO4 with a spinel structure having x values of -0.1 to 0.1, to methods for the preparation of this pigment and to its use.

Inventors

  • 👤 Gunter Dr. Buxbaum

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 23:53
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/22; C01; C01G; C01G49/00; C01G49/0018; C01G49/0072; C04; C04B; C04B14/00; C04B14/02; C04B14/36; C04B14/363; C01P; C01P2002/00; C01P2002/30; C01P2002/32; C01P2006/00; C01P2006/12; C01P2006/60; C01P2006/63; C01P2006/64; C01P2006/65; C04B2103/00; C04B2103/54

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