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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0256940 B1 19891108 - PROCESS FOR DEASPHALTIZING A HEAVY HYDROCARBON FEEDSTOCK

Title (en)

PROCESS FOR DEASPHALTIZING A HEAVY HYDROCARBON FEEDSTOCK

Publication

EP 0256940 B1 19891108 (FR)

Application

EP 87401848 A 19870807

Priority

FR 8611638 A 19860812

Abstract (en)

[origin: US4882035A] A process for improving the deasphalting of a heavy hydrocarbon feedstock with a solvent by subjecting the feedstock to shearing alternatively after and/or before the addition of at least a portion of the solvent to the feedstock is disclosed. Alternative means for effecting the shearing and desired ranges of shear are also disclosed.

IPC 1-7

C10G 21/00

IPC 8 full level

C10G 21/00 (2006.01)

CPC (source: EP US)

C10G 21/003 (2013.01 - EP US)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0256940 A1 19880224; EP 0256940 B1 19891108; CA 1328420 C 19940412; DE 3760957 D1 19891214; FR 2602783 A1 19880219; FR 2602783 B1 19890602; JP S6346294 A 19880227; US 4882035 A 19891121

DOCDB simple family (application)

EP 87401848 A 19870807; CA 544067 A 19870810; DE 3760957 T 19870807; FR 8611638 A 19860812; JP 20012187 A 19870812; US 8463787 A 19870812