Patent · US Expired

Silicoaluminophosphate crystallization using hydrolysis

US4673559A · kind A · utility

65Cited by
22References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1984
Grant dateJun 16, 1987
Priority date
Expiry dateDec 21, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S423/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Silicophosphoaluminates are crystallized from a two-phase reaction mixture comprising sources of silicon oxide, aluminum oxide and phosphorus oxide and a suitable directing agent. The silicophosphoaluminates produced have ion exchange properties and are readily convertible to catalytically active material.

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