Powder, especially metallic powder for marking workpieces

US4434935A · kind A · utility

Assignee

• Messer Griesheim GmbH · DE

Inventors

• Georg Roeder · Schwabach, DE
• Helmut Sachs · Frankfurt am Main, DE
• Dieter Hajok · Hattersheim, DE

Key dates

• Filing date: Apr 11, 1979
• Grant date: Mar 6, 1984
• Expiry date: Apr 11, 1999

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F1/052
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Powder, such as metallic powder for marking workpieces, consists of a blend of fine powder and of coarse powder.