Global patent index - EP 1017638 A4

EP 1017638 A4 2001-03-14 - WASTE WATER TREATMENT SYSTEM

Title (en)

WASTE WATER TREATMENT SYSTEM

Title (de)

VORRICHTUNG ZUR BEHANDLUNG VON ABWASSER

Title (fr)

TRAITEMENT D'EAUX RESIDUAIRES

Publication

EP 1017638 A4 (EN)

Application

EP 98931837 A

Priority

  • AU 9800534 W
  • AU PO768897 A

Abstract (en)

[origin: WO9901385A1] A waste water treatment apparatus (1) for effluent containing biodegradable solids having a first chamber (3) for retaining the solids while allowing liquid effluents to pass therethrough to a filtering chamber (11) which contains a filter medium (13, 32). The solids (biomass) are digested by worms and/or bacteria in the first chamber (3) and the liquid effluents from the first chamber (3) are treated by bacteria which is in the filter medium (13, 32). The thus purified water passes into the holding chamber (14) from where it is used for gardening or as required.

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

C02F 3/04; C02F 9/00

IPC 8 full level (invention and additional information)

C02F 3/04 (2006.01); C02F 3/12 (2006.01)

CPC (invention and additional information)

C02F 3/1242 (2013.01); C02F 3/04 (2013.01); Y02W 10/15 (2015.05)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9901385A1

Designated contracting state (EPC)

DE ES FR GB IT NL

EPO simple patent family

WO 9901385 A1 19990114; AU PO768897 D0 19970724; EP 1017638 A1 20000712; EP 1017638 A4 20010314

INPADOC legal status

2002-08-07 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020201

2001-03-14 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20010129

2001-03-14 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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

2000-07-12 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000202

2000-07-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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