| (19) |
 |
|
(11) |
EP 0 659 876 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
04.12.1996 Bulletin 1996/49 |
| (43) |
Date of publication A2: |
|
28.06.1995 Bulletin 1995/26 |
| (22) |
Date of filing: 29.11.1994 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE |
| (30) |
Priority: |
24.12.1993 EP 93310572
|
| (71) |
Applicant: THE PROCTER & GAMBLE COMPANY |
|
Cincinnati,
Ohio 45202 (US) |
|
| (72) |
Inventors: |
|
- Guerida, Nour-Eddine
Newcastle upon Tyne NE12 0HH (GB)
- Sherrington, Paul Richard
Jesmond,
Newcastle upon Tyne NE2 2QU (GB)
|
| (74) |
Representative: Gibson, Tony Nicholas et al |
|
Procter & Gamble Limited,
Whitley Road
Longbenton,
Newcastle upon Tyne NE12 9TS
Longbenton,
Newcastle upon Tyne NE12 9TS (GB) |
|
| |
|
| (54) |
Detergent additive composition. |
(57) Detergent Additive compositions are disclosed in which a peroxyacid bleach precursor
in the form of a substrate particulate having a mean specific area in the range of
0.05 to 0.9 m
2/g, is coated with a solid particulate organic acid compound of median particle size
<450 micrometers, so as to give a Coating Index value (CI) in the range of from 0.01
to 9. A process for making the additive compositions and detergent products containing
them are also disclosed.