Patent ID: 11958981
Assignee: EVONIK OPERATIONS GMBH
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  F  E | IPC B  C  E  F

Claim 0:
1. A hydrophobized granular material comprising from 30 to 95% by weight of a mixed oxide based on silica and at least one oxide of metal M selected from the group consisting of: Al; Ti; and Fe; wherein the mixed oxide comprises from 0.1 to 10% by weight of the metal M oxide, and from 5 to 70% by weight of at least one IR-opacifier selected from the group consisting of: silicon carbide; zirconium dioxide; ilmenites; iron titanates; zirconium silicates; manganese oxides; graphites; carbon blacks; and mixtures thereof.