Global Patent Index - EP 1056825 A1

EP 1056825 A1 2000-12-06 - AN INTERSPERSION PARTICLE COMPRISING AN ANIONIC SURFACTANT AND A POLYMERIC POLYCARBOXALATE

Title (en)

AN INTERSPERSION PARTICLE COMPRISING AN ANIONIC SURFACTANT AND A POLYMERIC POLYCARBOXALATE

Title (de)

EINEN ANIONISCHEN TENSID UND EINEN POLYMERISCHEN POLYCARBOXYLAT ENTHALTENDE INTERSPERSION PARTIKEL

Title (fr)

PARTICULE A INTERCALATION COMPRENANT UN TENSIOACTIF ANIONIQUE ET UN POLYCARBOXYLATE POLYMERE

Publication

EP 1056825 A1 (EN)

Application

EP 98906590 A

Priority

US 9803280 W

Abstract (en)

[origin: WO9942549A1] The present invention relates to an interspersion particle comprising, by weight of the interspersion particle, from about 20 % to about 50 % anionic surfactant and from about 15 % to about 30 % polymeric polycarboxylate; wherein the anionic surfactant and the polymeric polycarboxylate are interspersed within the interspersion particle; and wherein the weight ratio of the anionic surfactant to the polymeric polycarboxylate is from about 10:4 to about 10:9. Also disclosed herein are a particle composition and a cleaning composition comprising the interspersion particle and processes for making the interspersion particle.

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

C11D 3/37; C11D 11/02; C11D 17/06

IPC 8 full level (invention and additional information)

C11D 3/37 (2006.01); C11D 11/00 (2006.01); C11D 11/02 (2006.01); C11D 17/06 (2006.01); C11D 1/02 (2006.01); C11D 1/22 (2006.01)

CPC (invention and additional information)

C11D 3/3761 (2013.01); C11D 11/02 (2013.01); C11D 17/06 (2013.01); C11D 1/02 (2013.01); C11D 1/22 (2013.01)

Citation (search report)

See references of WO 9942549A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9942549 A1 19990826; AR 014584 A1 20010228; AU 6177798 A 19990906; CA 2320252 A1 19990826; EP 1056825 A1 20001206; JP 2000510525 A 20000815; JP 3401020 B2 20030428

INPADOC legal status


2002-11-06 [18R] REFUSED

- Effective date: 20020613

2002-01-30 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011217

2000-12-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000828

2000-12-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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