Global Patent Index - EP 1069932 A1

EP 1069932 A1 2001-01-24 - TREATMENT OF LIQUIDS

Title (en)

TREATMENT OF LIQUIDS

Title (de)

BEHANDLUNG VON FLÜSSIGKEITEN

Title (fr)

TRAITEMENT DE LIQUIDES

Publication

EP 1069932 A1 (EN)

Application

EP 99907781 A

Priority

  • GB 9900755 W
  • GB 9805419 A

Abstract (en)

[origin: WO9947230A1] The present invention provides an apparatus suitable for use in the treatment of liquid (31), comprising a high voltage electric discharge device (8) with spaced apart first and second electrodes. The discharge device has electrical power supply control means (13) for applying a series of high voltage pulses across said first and second electrodes so as to produce an extended area electrical discharge in an electric discharge zone (37) extending between said first and second electrodes. The apparatus also has a gas delivery means (15-18) for feeding a series of bubbles of gas into the liquid in said electric discharge zone. The present invention also provides methods of producing an electrical discharge in a liquid and of decontaminating water and other liquids using the apparatus of the invention.

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

B01D 21/00; B01J 19/08; C02F 1/46

IPC 8 full level (invention and additional information)

B01D 17/02 (2006.01); B01D 21/00 (2006.01); B01J 19/08 (2006.01); C02F 1/46 (2006.01); C02F 1/32 (2006.01)

CPC (invention and additional information)

C02F 1/4608 (2013.01); B01D 17/0205 (2013.01); B01D 21/0009 (2013.01); B01J 19/088 (2013.01); C02F 1/32 (2013.01)

Combination set (CPC)

B01D 17/0205 + B01D 17/06

Citation (search report)

See references of WO 9947230A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9947230 A1 19990923; AU 2740899 A 19991011; EP 1069932 A1 20010124; GB 9805419 D0 19980506

INPADOC legal status


2005-10-12 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SCIENCE & TECHNOLOGIES (UK)

2005-10-05 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SANGUINE ORGANIC PRODUCTS LIMITED

2005-05-25 [18RA] DATE OF RECEIPT OF REQUEST FOR RE-ESTABLISHMENT OF RIGHTS

- Effective date: 20050324

2005-04-13 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20041001

2002-07-03 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020516

2001-01-24 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001013

2001-01-24 [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