Global Patent Index - EP 0791031 A4

EP 0791031 A4 2000-07-12 - ABSORBENT MATERIAL

Title (en)

ABSORBENT MATERIAL

Title (de)

ABSORBIERENDES MATERIAL

Title (fr)

MATERIAU ABSORBANT

Publication

EP 0791031 A4 (EN)

Application

EP 95940682 A

Priority

  • IT TO940889 A
  • US 9514678 W

Abstract (en)

[origin: WO9615180A1] The present invention provides a superabsorbent material which comprises a combination of (1) an anionic superabsorbent in which from 20 to 100 % of the functional groups are in free acid form, and (2) an anion exchanger in which from 20 to 100 % of the functional groups are in basic form. The combination is particularly effective as a superabsorbent in the case of electrolyte containing solutions such as menses and urine.

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

C08J 5/02

IPC 8 full level (invention and additional information)

A61F 13/53 (2006.01); A61F 13/49 (2006.01); A61L 15/60 (2006.01); C08J 3/075 (2006.01); C08J 5/20 (2006.01)

CPC (invention and additional information)

A61L 15/60 (2013.01); C08J 3/075 (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 9615180 A1 19960523; AU 4235096 A 19960606; BR 9509651 A 19970916; CA 2204888 A1 19960523; CA 2204888 C 20010130; CN 1068888 C 20010725; CN 1171802 A 19980128; CZ 9701406 A3 19971015; EP 0791031 A1 19970827; EP 0791031 A4 20000712; HU T77798 A 19980828; IT 1267494 B1 19970205; IT TO940889 A1 19960510; IT TO940889 D0 19941110; JP H10509611 A 19980922; KR 100372137 B1 20030315; KR 977007218 A 19971201; MX 201287 B 20010410; MX 9703445 A 19980731

INPADOC legal status


2002-10-09 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20020602

2002-06-26 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010619

2000-07-12 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20000525

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: 19970424

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