Global Patent Index - EP 0889851 A4

EP 0889851 A4 2000-05-03 - ALUMINUM PROMOTED HYDROGENATION OF ALKYLATION SLUDGE FOR ALUMINUM CHLORIDE RECOVERY

Title (en)

ALUMINUM PROMOTED HYDROGENATION OF ALKYLATION SLUDGE FOR ALUMINUM CHLORIDE RECOVERY

Title (de)

ALUMINIUMAKTIVIERTE HYDRIERUNG VON ALKYLIERUNGSSCHLAMM ZUR WIEDERGEWINNUNG VON ALUMINIUMCHLORID

Title (fr)

HYDROGENATION DE BOUES D'ALKYLATION ACTIVEE PAR L'ALUMINIUM EN VUE D'UNE RECUPERATION DE CHLORURE D'ALUMINIUM

Publication

EP 0889851 A4 (EN)

Application

EP 97953540 A

Priority

  • US 9724154 W
  • US 77552297 A

Abstract (en)

[origin: WO9829340A1] The recovery of aluminum chloride from deactivated alkylation catalyst complexes by hydrogenation using hydrogen gas (22) and an aluminum catalyst is disclosed. Using aluminum to catalyze the hydrogenation allows the reaction to proceed at a lower temperature and pressure while reducing the amount of hydrogen chloride present in the reactor (18) thus reducing the corrosiveness and cost of the aluminum chloride recovery. Methods for batch, batchwise-continuous, and continuous aluminum chloride recovery are disclosed.

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

C01F 7/62; C01F 7/56; C07C 2/60

IPC 8 full level (invention and additional information)

C01F 7/56 (2006.01); C07C 2/60 (2006.01)

CPC (invention and additional information)

C01F 7/56 (2013.01); C07C 2/60 (2013.01); C07C 2527/126 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9829340A1

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

WO 9829340 A1 19980709; AU 5726798 A 19980731; BR 9707905 A 19990727; CN 1212669 A 19990331; EA 000720 B1 20000228; EA 199800787 A1 19990429; EP 0889851 A1 19990113; EP 0889851 A4 20000503; NO 984012 A 19980901; NO 984012 D0 19980901; PE 76899 A1 19990816

INPADOC legal status


2002-02-06 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20010703

2000-05-03 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000316

2000-05-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): DE FR GB IT NL

2000-05-03 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7C 01F 7/62 A, 7C 01F 7/56 B, 7C 07C 2/60 B

1999-01-13 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19980921

1999-01-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT NL