Global Patent Index - EP 1009513 A1

EP 1009513 A1 2000-06-21 - MOULDED FILTER MEDIA COMPRISING A SHEET OF POROUS NONWOVEN MATERIAL

Title (en)

MOULDED FILTER MEDIA COMPRISING A SHEET OF POROUS NONWOVEN MATERIAL

Title (de)

GEFORMTES FILTERMEDIUM UMFASSEND EINE LAGE AUS PORÖSEM UNGEWEBTEN MATERIAL

Title (fr)

MILIEU FILTRANT MOULE COMPORTANT UNE FEUILLE DE MATIERE POREUSE NON TISSEE

Publication

EP 1009513 A1 (EN)

Application

EP 98940442 A

Priority

  • GB 9802617 W
  • GB 9718841 A

Abstract (en)

[origin: WO9912634A1] A moulded filter medium, e.g. a filter cloth comprises a sheet of porous nonwoven material (1) which is pre-moulded and pre-formed to conform to and snugly fit into the recesses and contours of a filter press plate. The sheet may comprise sintered partially fused particles of plastics, metal or ceramic or a cast acrylic or methacrylic resin or polymer sheet, or a coagulated polymer or microporous foam. The cloth may include a support structure such as a perforated membrane or mesh (3) or a spiral link fabric (12) embedded in the sheet.

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

B01D 39/14; B01D 25/12

IPC 8 full level (invention and additional information)

B01D 25/12 (2006.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01); B01D 67/00 (2006.01); B01D 69/10 (2006.01)

CPC (invention and additional information)

B01D 69/10 (2013.01); B01D 25/12 (2013.01); B01D 39/1653 (2013.01); B01D 39/1692 (2013.01); B01D 39/2034 (2013.01); B01D 67/0004 (2013.01); B01D 67/003 (2013.01); B01D 71/022 (2013.01); B01D 71/26 (2013.01); B01D 71/40 (2013.01); B01D 71/44 (2013.01); B01D 2325/40 (2013.01)

Combination set (CPC)

B01D 25/12 + B01D 25/176

Citation (search report)

See references of WO 9912634A1

Designated contracting state (EPC)

AT DE FR GB SE

EPO simple patent family

WO 9912634 A1 19990318; AU 739688 B2 20011018; AU 8876798 A 19990329; BR 9811768 A 20000829; CA 2302589 A1 19990318; EP 1009513 A1 20000621; GB 9718841 D0 19971112; ZA 9808029 B 19990303

INPADOC legal status


2002-09-18 [18W] WITHDRAWN

- Date of withdrawal: 20020727

2001-01-24 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: MADISON FILTER 981 LIMITED

2000-06-21 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000321

2000-06-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT DE FR GB SE