Patent · US Expired

Alumina, a method for its preparation and said alumina as carrier containing catalysts

US4172809A · kind A · utility

20Cited by
6References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 1978
Grant dateOct 30, 1979
Priority date
Expiry dateJun 27, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S502/513
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Process for controlling the porosity of aluminas during the preparation thereof; by forming by extrusion of alumina in the presence of an organic solvent such as an alcohol. The aluminas so prepared are suitable for use as catalyst or preferably as catalyst carriers.

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