Patent · US Expired

Antifoulants comprising tin, antimony and aluminum for thermal cracking processes

US4863892A · kind A · utility

28Cited by
39References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 1985
Grant dateSep 5, 1989
Priority date
Expiry dateJan 28, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S585/95
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The formation of carbon on metals exposed to hydrocarbons in a thermal cracking process is reduced by contacting such metals with an antifoulant selected from the group consisting of an organic compound of chromium, a combination of tin and elemental chromium or an organic compound of chromium, a combination of antimony and elemental chromium or an organic compound of chromium and a combination of tin, antimony and elemental chromium or an organic compound of chromium.

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