Patent · US Expired

Heat insulation mixture

US4455246A · kind A · utility

10Cited by

10References

36Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Sabine Schmidt · Hanau, DE
Peter Kleinschmit · Hanau, DE
Rudolf Schwarz · Alzenau, DE
Rainer Domesle · Alzenau, DE

Key dates

Filing date	May 28, 1982
Grant date	Jun 19, 1984
Priority date	—
Expiry date	May 28, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/92
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Heat insulation mixtures are employed both in the form of compacts and in the form of loose ballast. Heat insulating materials which contain an opacifier and thereby are impervious to the radiation which occurs possess extraordinarily good insulating activity. By using quartz powder of a specific particle size spectrum as opacifier, there can be attained optimal insulating properties preferred at high temperatures of use. This type of heat insulating material can be produced by mixing the individual components. It can contain known filler components and binders.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.