Patent · US Expired

Activation of alkali metal zeolite catalysts by steaming

US4443554A · kind A · utility

53Cited by
13References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 1982
Grant dateApr 17, 1984
Priority date
Expiry dateMay 28, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2229/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Inactive zeolites such as NaZSM-5 are activated by steaming in the presence of a binder such as alumina.

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