Patent · US Expired

Cracking process

US4975180A · kind A · utility

5Cited by
16References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 5, 1989
Grant dateDec 4, 1990
Priority date
Expiry dateJun 5, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J29/82
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A catalytic cracking process is provided wherein a phosphorous containing alumina or an alkaline earth phosphorous containing alumina is added to a catalytic cracking zone for admixture with a zeolite containing cracking catalyst.

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