Patent · US Expired

Hydrothermal gel process for preparation of silicalite particles and process for preparation of composite membrane

US6447856B1 · kind B1 · utility

1Cited by
3References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 2000
Grant dateSep 10, 2002
Priority date
Expiry dateDec 28, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B37/02
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A novel hydrothermal gel process for preparing silicalite particles suitable for use in composite membranes for pervaporation processes is disclosed. A novel process for preparing a silicon-silicalite composite membrane is also disclosed. The novel hydrothermal gel process produces silicalite particles having a diameter from about 0.1 micrometers to about 0.2 micrometers in high yield.

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