Patent · US Expired

Thermal upgrading of residual oil to light product and heavy residual fuel

US4604188A · kind A · utility

19Cited by
9References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1985
Grant dateAug 5, 1986
Priority date
Expiry dateJan 16, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G9/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method of upgrading residual oil includes cracking the residual oil at a severity which is between visbreaking and coking to produce a light cracked product and a heavy bottom product. The heavy bottom product is mixed with diluents and additives which improves the flow characteristics to produce a pumpable fuel.

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