Global Patent Index - EP 0022854 B1

EP 0022854 B1 19840321 - MAKING NON-PUFFING PETROLEUM COKE BY DELAYED COKING

Title (en)

MAKING NON-PUFFING PETROLEUM COKE BY DELAYED COKING

Publication

EP 0022854 B1 19840321 (EN)

Application

EP 80900362 A 19800815

Priority

US 883979 A 19790202

Abstract (en)

[origin: WO8001568A1] Very fine chromic oxide is dispersed in a high sulfur petroleum coker feedstock (24) before delayed coking (28, 28A) to produce a needle coke with low CTE and negligible puffing on heating to the temperature of graphitization.

IPC 1-7

C10G 9/14

IPC 8 full level

C01B 31/04 (2006.01); C10B 55/00 (2006.01); C10B 57/04 (2006.01); C10G 9/00 (2006.01)

CPC (source: EP)

C10B 55/00 (2013.01); C10B 57/06 (2013.01)

Designated contracting state (EPC)

DE GB NL

DOCDB simple family (publication)

WO 8001568 A1 19800807; CA 1135205 A 19821109; DE 3067079 D1 19840426; EP 0022854 A1 19810128; EP 0022854 A4 19810827; EP 0022854 B1 19840321; JP S55501182 A 19801225

DOCDB simple family (application)

US 8000134 W 19800123; CA 344930 A 19800201; DE 3067079 T 19800123; EP 80900362 A 19800815; JP 50049380 A 19800123