Global Patent Index - EP 0970173 A1

EP 0970173 A1 2000-01-12 - EFFERVESCENT BLEACH COMPOSITIONS

Title (en)

EFFERVESCENT BLEACH COMPOSITIONS

Title (de)

BRAUSENDE BLEICHMITTELZUSAMMENSETZUNGEN

Title (fr)

COMPOSITIONS DE BLANCHIMENT EFFERVESCENTES

Publication

EP 0970173 A1 (EN)

Application

EP 97946470 A

Priority

  • GB 9622845 A
  • US 9719954 W

Abstract (en)

[origin: WO9820096A1] The invention relates to solid, effervescent bleach compositions comprising: (i) a bleach activator; (ii) an oxygen effervescence generator comprising a persulphate salt and a perborate salt, wherein the weight ratio of the persulphate salt to the perborate salt is in the range from about 0.8:1 to about 5:1; and (iii) a carbon dioxide efferverscence generator comprising a bicarbonate salt and an acid; wherein the weight ratio of the perborate salt to the bicarbonate salt is in the range from about 2:1 to about 20:1. The compositions provide excellent de-stain activity with improved effervescence and/or tablet disintegration. They are especially suitable in tablet form as denture cleansers.

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

C11D 3/10; C11D 3/39; C11D 3/395; C11D 7/54

IPC 8 full level (invention and additional information)

C11D 3/00 (2006.01); C11D 3/10 (2006.01); C11D 3/37 (2006.01); C11D 3/39 (2006.01); C11D 17/00 (2006.01)

CPC (invention and additional information)

C11D 3/3738 (2013.01); C11D 3/0052 (2013.01); C11D 3/10 (2013.01); C11D 3/3907 (2013.01); C11D 17/0073 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family

WO 9820096 A1 19980514; CA 2270422 A1 19980514; EP 0970173 A1 20000112; EP 0970173 A4 20000712; GB 9622845 D0 19970108; HU 9904236 A2 20000428; HU 9904236 A3 20011128; TR 199900935 T2 19990721