Title (en)

ABSORBENT MATERIAL

Title (de)

ABSORBIERENDES MATERIAL

Title (fr)

MATIERE ABSORBANTE

Publication

EP 0796144 A4 20000329 (EN)

Application

EP 95940778 A 19951121

Priority

• IT TO940991 A 19941206
• US 9515139 W 19951121

Abstract (en)

[origin: WO9617681A1] 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) a cationic superabsorbent in which from 20 to 100 % of the functional groups in basic form, the cationic superabsorbent being based on a polysaccharide or a polymer of units of a monomer of formula (I) wherein R<1> and R<2> which may be the same or different, are each organic radicals which do not adversely affect the properties of the polymer and X is a suitable anion. The combination is particularly effective as a superabsorbent in the case of electrolyte containing solutions such as menses and urine.

IPC 1-7

B01J 20/00; B01J 20/22; B01J 20/26; A61F 13/15; A61F 13/20

IPC 8 full level

A61F 13/15 (2006.01); A61F 13/49 (2006.01); A61L 15/60 (2006.01); B01J 20/26 (2006.01); C08F 26/02 (2006.01); A61F 13/53 (2006.01); C08L 101/14 (2006.01)

CPC (source: EP)

A61L 15/60 (2013.01)

Citation (search report)

• [Y] US 5330656 A 19940719 - HASSICK DENIS E [US]
• [YD] WO 9219652 A1 19921112 - ANGELINI CONSORT RICERCHE [IT]
• [A] EP 0161763 A1 19851121 - ATLANTIC RICHFIELD CO [US]
• [A] US 3968037 A 19760706 - MORGAN JANICE ELAINE, et al
• See also references of WO 9617681A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9617681 A1 19960613; AU 4241796 A 19960626; BR 9509864 A 19971125; CA 2207081 A1 19960613; CA 2207081 C 20010417; CN 1173146 A 19980211; CZ 169997 A3 19971015; EP 0796144 A1 19970924; EP 0796144 A4 20000329; FI 972385 A0 19970605; FI 972385 A 19970605; HU T77680 A 19980728; IT 1267184 B1 19970128; IT TO940991 A0 19941206; IT TO940991 A1 19960606; JP H10509915 A 19980929; MX 9704177 A 19980628; NO 972549 D0 19970604; NO 972549 L 19970806

DOCDB simple family (application)

US 9515139 W 19951121; AU 4241796 A 19951121; BR 9509864 A 19951121; CA 2207081 A 19951121; CN 95197333 A 19951121; CZ 169997 A 19951121; EP 95940778 A 19951121; FI 972385 A 19970605; HU 9800670 A 19951121; IT TO940991 A 19941206; JP 51761296 A 19951121; MX 9704177 A 19970605; NO 972549 A 19970604