Patent · US Expired

Process for preparing a modified zeolite

US6521208B1 · kind B1 · utility

4Cited by
8References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2000
Grant dateFeb 18, 2003
Priority date
Expiry dateDec 19, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S423/21
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A hydrophobic zeolite is prepared having high Hydrophobicity Index number by calcining a zeolite with steam under turbulent condition with respect to flow pattern of the zeolite and at a temperature within the range of 650-1000° C.

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