USE OF POLYESTER AMIDES FOR THE STABILISATION OF ASPHALTENES IN CRUDE OIL

Title:

USE OF POLYESTER AMIDES FOR THE STABILISATION OF ASPHALTENES IN CRUDE OIL

Document Type and Number:

WIPO Patent Application WO2002018454

Kind Code:

A3

Abstract:

The use of polyester amides based on polyisobutylene as stabilisers for asphaltene in crude oil and crude oil derivatives is disclosed.

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Inventors:

BREUER WOLFGANG (DE)
BIRNBRICH PAUL (DE)
GROFFE DIDIER (FR)
VON TAPAVICZA STEPHAN (DE)
HEROLD CLAUS-PETER (DE)
HOF MATTHIAS (DE)

Application Number:

PCT/EP2001/009944

Publication Date:

May 16, 2002

Filing Date:

August 29, 2001

Export Citation:

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Assignee:

COGNIS DEUTSCHLAND GMBH (DE)
BREUER WOLFGANG (DE)
BIRNBRICH PAUL (DE)
GROFFE DIDIER (FR)
TAPAVICZA STEPHAN VON (DE)
HEROLD CLAUS PETER (DE)
HOF MATTHIAS (DE)

International Classes:

C08F8/32; (IPC1-7): C08F8/32

Foreign References:

US5788722A	1998-08-04
DE19709797A1	1998-09-17
US4121026A	1978-10-17
EP0693509A1	1996-01-24

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