Global Patent Index - EP 0791020 A4

EP 0791020 A4 2000-07-12 - ABSORBENT MATERIAL

Title (en)

ABSORBENT MATERIAL

Title (de)

ABSORBIERENDES MATERIAL

Title (fr)

MATERIAU ABSORBANT

Publication

EP 0791020 A4 (EN)

Application

EP 95940681 A

Priority

  • IT TO940890 A
  • US 9514677 W

Abstract (en)

[origin: WO9615163A1] The invention provides a superabsorbent material which comprises a combination of (1) a cationic superabsorbent in which from 20 to 100 % of the functional groups are in basic form, and (2) a cationic exchanger in which from 50 to 100 % of the functional groups are in acid form. The combination is particularly effective as a superabsorbent for electrolyte containing solutions such as menses and urine.

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

C08F 20/56; B01J 20/26; C08F 16/06; C08F 20/06; C08F 210/02; C08F 251/00; C08L 1/02; C08L 3/00

IPC 8 full level (invention and additional information)

A61F 13/53 (2006.01); A61F 13/49 (2006.01); A61L 15/60 (2006.01); B01J 20/26 (2006.01); C08B 15/06 (2006.01); C08B 31/12 (2006.01); C08F 226/04 (2006.01); C08L 101/02 (2006.01)

CPC (invention and additional information)

A61L 15/60 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

EPO simple patent family

WO 9615163 A1 19960523; AU 4234996 A 19960606; BR 9509650 A 19970916; CN 1171797 A 19980128; CZ 9701408 A3 19971015; EP 0791020 A1 19970827; EP 0791020 A4 20000712; HU T77843 A 19980828; IT 1267495 B1 19970205; IT TO940890 A1 19960510; IT TO940890 D0 19941110; JP H10509752 A 19980922; KR 977007183 A 19971201; MX 9703444 A 19980731

INPADOC legal status


2001-10-04 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20010320

2000-12-27 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20001109

2000-07-12 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20000526

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

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

1997-08-27 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19970426

1997-08-27 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE