Patent · US Expired

Process for the manufacture of a crystalline solid

US6627175B2 · kind B2 · utility

13Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 20, 2001
Grant dateSep 30, 2003
Priority date
Expiry dateDec 28, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D301/12
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Process for the manufacture of crystalline solids comprising at least one element chosen from Groups IIIa, IVa and Va and at least one transition metal, according to which at least one source of oxide of the element from Groups IIIa, IVa and Va and at least one transition metal oxide source, which was dissolved beforehand in an alcohol having a pKa below that of water, are hydrolysed in an aqueous medium comprising a mineralizing agent and the gel thus obtained is crystallized in the presence of a structuring agent.

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