Patent · US Expired

Premium coking process

US4758329A · kind A · utility

10Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1987
Grant dateJul 19, 1988
Priority date
Expiry dateMar 2, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10B55/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

In a delayed premium coking process utilizing as feedstock an aromatic mineral oil having a high aromatic content and a low molecular weight, coke CTE is reduced and coke particle size is increased by sparging with a gas during the coking cycle.

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