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1 247 852 documents amended

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EP 0083143 A3 19840530 - PROCESS FOR PRODUCING PREMIUM COKE

Title (en)

PROCESS FOR PRODUCING PREMIUM COKE

Publication

EP 0083143 A3 19840530 (EN)

Application

EP 82201675 A 19821229

Priority

US 33552081 A 19811229

Abstract (en)

[origin: EP0083143A2] A premium coke is made by the delayed coking of a blend of pyrolysis tar and hydrotreated decant oil. This premium coke is used for the production of graphite electrodes having a low coefficient of thermal expansion.

IPC 1-7

C10B 55/00

IPC 8 full level

C10B 57/04 (2006.01); C10B 55/00 (2006.01)

CPC (source: EP)

C10B 55/00 (2013.01); C10B 57/04 (2013.01)

Citation (search report)

[A] EP 0005643 A2 19791128 - CONOCO INC [US]
[A] EP 0008493 A1 19800305 - CONOCO INC [US]
[AD] US 3817853 A 19740618 - FOLKINS H

Designated contracting state (EPC)

DE GB NL

DOCDB simple family (publication)

EP 0083143 A2 19830706; EP 0083143 A3 19840530; EP 0083143 B1 19860122; DE 3268721 D1 19860306; ES 518648 A0 19840616; ES 8405834 A1 19840616; JP S58118889 A 19830715; JP S6346800 B2 19880919; ZA 829563 B 19831026

DOCDB simple family (application)

EP 82201675 A 19821229; DE 3268721 T 19821229; ES 518648 A 19821229; JP 22720282 A 19821227; ZA 829563 A 19821229