Patent GB2006694A successfully refreshed from Google Patents.
DE3150039A1
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Dental prostheses with gold-coloured coating
Assignee: WC Heraus GmbH and Co KG
•
Filing: 1981-12-17
•
Granted: —
•
Expires: 2001-12-17
Abstract
Abstract Dental prostheses, especially those made of base metal and white noble metal alloys, are provided with a gold-coloured appearance by adherent and abrasion-resistant coatings of titanium nitride or zirconium nitride.
Inventors
- 👤 Wulf Dipl.Chem.Dr. Brämer
- 👤 Hans Dipl.Phys.Dr. 6450 Hanau Eligehausen
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 01:57
CPC Classifications
A; A61; A61C; A61C13/00
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.