EP 0022854 B1 19840321 - MAKING NON-PUFFING PETROLEUM COKE BY DELAYED COKING
Title (en)
MAKING NON-PUFFING PETROLEUM COKE BY DELAYED COKING
Publication
Application
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
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