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 39/18; B01D 39/20; B01D 39/16

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 29/213 (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)

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2003-11-19 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030711

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

- Effective date: 20021031

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

- Effective date: 20001211

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

- Kind Code of Ref Document: A1

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