Global patent index - EP 1077766 A1

EP 1077766 A1 2001-02-28 - PURIFICATION ELEMENTS AND PACKS

Title (en)

PURIFICATION ELEMENTS AND PACKS

Title (de)

REINIGUNGSELEMENTE UND PATRONEN

Title (fr)

TAMPONS ET ELEMENTS DE PURIFICATION

Publication

EP 1077766 A1 (EN)

Application

EP 99921594 A

Priority

  • US 9909572 W
  • US 8409598 P

Abstract (en)

[origin: WO9956871A1] The disclosure describes a purification pack and a purification element, each including a sorbing medium. In various embodiments: the sorbing medium may comprise a copolymer or a derivative thereof, the copolymer having recurring units of an unsaturated monomer having at least one pendant carboxylic acid or carboxylic acid derivative, and an olefin comonomer; the sorbing medium may comprise a fibrous sorbing medium, the fibers including a polymer or a derivative thereof, the polymer having recurring units of an unsaturated monomer having at least one pendant carboxylic acid or carboxylic acid derivative; the purification pack may comprise a sorbing medium and a drainage layer adjacent to the sorbing medium; and/or the purification pack may comprise an upstream drainage layer, a sorbing medium and the filter medium are in fluid communication with each other and are interposed between the upstream and downstream drainage layers.

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

B01J 20/26; B01D 29/11; B01D 29/21; B01D 39/16; B01D 39/18; B01D 39/20

IPC 8 full level (invention and additional information)

B01D 29/11 (2006.01); B01D 39/16 (2006.01); B01D 39/18 (2006.01); B01D 39/20 (2006.01); B01J 20/26 (2006.01)

CPC (invention and additional information)

B01J 20/26 (2013.01); B01D 29/111 (2013.01); B01D 39/083 (2013.01); B01D 39/086 (2013.01); B01D 39/1623 (2013.01); B01D 39/18 (2013.01); B01D 39/202 (2013.01); B01D 2201/0407 (2013.01); B01D 2239/04 (2013.01); B01D 2239/0464 (2013.01); B01D 2239/0478 (2013.01); B01D 2239/065 (2013.01); B01D 2239/0654 (2013.01)

Combination set (CPC)

B01D 29/111 + B01D 29/213

Citation (search report)

See references of WO 9956871A1

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI NL SE

EPO simple patent family

WO 9956871 A1 19991111; AU 3876599 A 19991123; EP 1077766 A1 20010228

INPADOC legal status

2003-11-19 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030711

2002-12-18 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20021031

2001-02-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001211

2001-02-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): BE CH DE ES FR GB IT LI NL SE