Patent · US Expired

Process for reactively coating particles

US5385753A · kind A · utility

8Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1993
Grant dateJan 31, 1995
Priority date
Expiry dateAug 30, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/60
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Coated particles having properties such as to make them suitable as replacements for titanium dioxide particles can be obtained by reacting a titanium or zirconium halide, ether, or ester with zeolite hydrate particles so as to coat the zeolite particles with titania or zirconia. The reaction is preferably conducted between a titanium compound, such as titanium tetrachloride, and the zeolite in an inert medium, such as anhydrous or substantially anhydrous air or a hydrocarbon.

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