Patent · US Expired

Process for the production of petroleum coke

US4108798A · kind A · utility

18Cited by
8References
12Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 6, 1976
Grant dateAug 22, 1978
Priority date
Expiry dateJul 6, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G51/023
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A high crystalline coke can be prepared by heat-soaking a petroleum feedstock in the presence of added dissolved sulfur, heating to effect controlled thermal cracking thereof, separating non-crystalline substances as pitch, recovering a heavy cokable residue from the pitch free feed, and subjecting the residue to delayed coking.

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