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Current content: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0250136 B1 19920219 - DELAYED COKING

Title (en)

DELAYED COKING

Publication

EP 0250136 B1 19920219 (EN)

Application

EP 87305009 A 19870605

Priority

US 87194686 A 19860609

Abstract (en)

[origin: EP0250136A2] A process for reducing the amount of coke formed in the coke drums of a delayed coking process by reducing the partial pressure of the heavy oil in the coke drums.

IPC 1-7

C10G 9/00

IPC 8 full level

C10B 55/00 (2006.01); C10B 57/04 (2006.01); C10B 57/06 (2006.01); C10G 9/00 (2006.01)

CPC (source: EP)

C10B 55/00 (2013.01); C10B 57/045 (2013.01); C10B 57/06 (2013.01); C10G 9/005 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0250136 A2 19871223; EP 0250136 A3 19890315; EP 0250136 B1 19920219; CA 1279838 C 19910205; DE 3776729 D1 19920326; ES 2030063 T3 19921016; JP H06104834 B2 19941221; JP S6317988 A 19880125

DOCDB simple family (application)

EP 87305009 A 19870605; CA 538635 A 19870602; DE 3776729 T 19870605; ES 87305009 T 19870605; JP 14164187 A 19870608