Global Patent Index - EP 1144570 A3

EP 1144570 A3 2002-09-11 - EFFERVESCENCE COMPONENTS

Title (en)

EFFERVESCENCE COMPONENTS

Title (de)

BRAUSEKOMPONENTE

Title (fr)

COMPOSANTS EFFERVESCENTS

Publication

EP 1144570 A3 (EN)

Application

EP 99967169 A

Priority

  • GB 9826841 A
  • US 9928420 W

Abstract (en)

[origin: GB2344597A] An effervescence composition comprises an acid source and a carbon dioxide source, wherein at least 75% of said acid source has a particle size from 0.1 to 150 microns, preferably from 0.5 to 100 microns. The carbon dioxide source is preferably also of a small particle size. The effervescence composition is in particular useful in solid detergent compositions. The effervescence component is preferably in the form of a granule comprising at least part of the acid source and at least part of the carbon dioxide source. The acid source is preferably citric acid and the carbon dioxide source is a carbonate.

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

C11D 1/00

IPC 8 full level (invention and additional information)

C08J 3/12 (2006.01); B01J 2/22 (2006.01); C08J 3/20 (2006.01); C08K 3/26 (2006.01); C08K 5/09 (2006.01); C08K 5/42 (2006.01); C08K 9/04 (2006.01); C08L 101/00 (2006.01); C11D 1/72 (2006.01); C11D 3/00 (2006.01); C11D 3/10 (2006.01); C11D 3/20 (2006.01); C11D 3/34 (2006.01); C11D 3/37 (2006.01); C11D 11/00 (2006.01); C11D 17/06 (2006.01)

CPC (invention and additional information)

C11D 3/2075 (2013.01); C11D 3/0052 (2013.01); C11D 3/3409 (2013.01); C11D 3/3418 (2013.01); C11D 11/0082 (2013.01); C11D 17/06 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC

EPO simple patent family

GB 2344597 A 20000614; GB 9826841 D0 19990127; AU 2350700 A 20000626; BR 9916033 A 20010828; CA 2352627 A1 20000615; CA 2352627 C 20051206; CN 1354780 A 20020619; EP 1144570 A2 20011017; EP 1144570 A3 20020911; JP 2002531686 A 20020924; WO 0034422 A2 20000615; WO 0034422 A3 20011213

INPADOC legal status


2006-08-30 [18R] REFUSED

- Effective date: 20060413

2003-07-23 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030606

2002-09-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

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

2001-10-17 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010627

2001-10-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

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

2001-10-17 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI

2001-10-17 [XX] MISCELLANEOUS:

- Free text: DERZEIT SIND DIE WIPO-PUBLIKATIONSDATEN A3 NICHT VERFUEGBAR.