Global Patent Index - EP 1240123 A1

EP 1240123 A1 2002-09-18 - PROCESS FOR PREVENTING POLYMERIC FOULING IN THE TREATMENT OF HYDROCARBON STREAMS CONTAINING OLEFINS

Title (en)

PROCESS FOR PREVENTING POLYMERIC FOULING IN THE TREATMENT OF HYDROCARBON STREAMS CONTAINING OLEFINS

Title (de)

VERFAHREN ZUR VERHINDERUNG VON POLYMEREN ABLAGERUNGEN BEIM UMGANG MIT OLEFIN ENTHALTENDEN KOHLENWASSERSTOFFSTRÖMEN

Title (fr)

PROCEDE DESTINE A EMPECHER DES DEPOTS DE POLYMERES DANS LE TRAITEMENT DE FLUXS D'HYDROCARBURES CONTENANT DES OLEFINES

Publication

EP 1240123 A1 (EN)

Application

EP 00987638 A

Priority

  • IT 0000548 W
  • IT RM990795 A

Abstract (en)

[origin: WO0147844A1] A composition comprising a nitroxide or dinitroxide and an aromatic amine is used as an additive for preventing polymeric fouling in petrochemical apparatuses for producing, storing, refining, fractionating, pressurizing and extracting olefinic compounds from a hydrocarbon stream.

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

C07C 7/20; C10G 75/02

IPC 8 full level (invention and additional information)

C07C 7/05 (2006.01); C07C 7/20 (2006.01); C09K 8/524 (2006.01); C10G 9/16 (2006.01); C10G 75/02 (2006.01); C10G 75/04 (2006.01)

CPC (invention and additional information)

C07C 7/05 (2013.01); C07C 7/20 (2013.01); C09K 8/524 (2013.01); C10G 9/16 (2013.01); C10G 75/02 (2013.01); C10G 75/04 (2013.01)

Citation (search report)

See references of WO 0147844A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0147844 A1 20010705; EP 1240123 A1 20020918; IT 1307306 B1 20011030; IT RM990795 A1 20010625; IT RM990795 D0 19991224

INPADOC legal status


2004-11-24 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20040518

2004-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20031107

2002-09-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020628

2002-09-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR