Low-density, open-pore molded inorganic body with a homogeneous pore distribution

US4404291A · kind A · utility

Assignee

• Schott Glaswerke · DE

Inventors

• Werner Kiefer · Ingelheim am Rhein, DE
• Maria Sura · Ingelheim am Rhein, DE

Key dates

• Filing date: Feb 3, 1982
• Grant date: Sep 13, 1983
• Expiry date: Feb 3, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B38/065
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A novel low density molded porous sintered body contains at least 90% open pores having a specific diameter distributed equally in all directions. The material of the molded body is preferably a vitreous and/or crystalline and/or ceramic substance having a low thermal coefficient of expansion.