| (19) |
 |
|
(11) |
EP 0 238 341 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
17.08.1988 Bulletin 1988/33 |
| (43) |
Date of publication A2: |
|
23.09.1987 Bulletin 1987/39 |
| (22) |
Date of filing: 19.03.1987 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
19.03.1986 GB 8606804
|
| (71) |
Applicant: TOLLADD LIMITED |
|
() |
|
| (72) |
Inventors: |
|
- Townend, John
()
- Gradwell, Anthony John
()
- Withenshaw, John David
()
|
|
| |
|
| (54) |
Granular bleach activator compositions |
(57) A granular bleach activator composition containing an organic binder is disclosed
which has improved low temperature release properties by incorporating a water-soluble
granule disintegration aid usually a sequestering agent, e.g. a phosphonate suitably
in combination with an inorganic salt. A process for producing the granules comprising
forming a dry blend of particles of binder and bleach activator and moistening the
blend during mixing with aqueous solution of the granule disintegration acid.