Global Patent Index - EP 0984907 A1

EP 0984907 A1 2000-03-15 - PRODUCTION OF HEAT-TREATED CARBON BODIES

Title (en)

PRODUCTION OF HEAT-TREATED CARBON BODIES

Title (de)

HERSTELLUNG WÄRMEBEHANDELTER KOHLENSTOFFKÖRPER

Title (fr)

PRODUCTION DE CORPS DE CARBONE AVEC TRAITEMENT THERMIQUE

Publication

EP 0984907 A1 (EN)

Application

EP 97928845 A

Priority

US 9709714 W

Abstract (en)

[origin: WO9855426A1] A method is provided for the production of heat-treated carbon bodies in open-pit, ring furnaces. In the process green carbon bodies are packed with a carbonaceous particulate packing material containing as a constituent green petroleum coke in a blend with calcined and/or recycled petroleum coke particles. In the event the green petroleum coke is green delayed petroleum coke, the balance of the packing material is selected from calcined delayed petroleum coke, recycled packing material containing heat-treated delayed petroleum coke and/or mixtures of these; if the green petroleum coke used in the blend is green fluid petroleum coke, then the balance of the packing material is heat-treated calcined fluid coke. The invention further allows the utilization of low grade green delayed petroleum coke in the packing material.

IPC 1-7 (main, further and additional classification)

C04B 35/532; C25C 3/12

IPC 8 full level (invention and additional information)

C04B 35/532 (2006.01); C25C 3/12 (2006.01)

CPC (invention and additional information)

C25C 3/125 (2013.01); C04B 35/532 (2013.01)

Citation (search report)

See references of WO 9855426A1

Designated contracting state (EPC)

CH DE ES FR GB GR IT LI NL SE

EPO simple patent family

WO 9855426 A1 19981210; AU 3300697 A 19981221; CA 2291272 A1 19981210; EP 0984907 A1 20000315

INPADOC legal status


2002-06-26 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20011204

2001-05-30 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010419

2000-03-15 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991221

2000-03-15 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): CH DE ES FR GB GR IT LI NL SE