| (19) |
 |
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(11) |
EP 0 735 131 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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11.12.1996 Bulletin 1996/50 |
| (43) |
Date of publication A2: |
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02.10.1996 Bulletin 1996/40 |
| (22) |
Date of filing: 04.03.1996 |
|
| (51) |
International Patent Classification (IPC)6: C11D 1/75 |
|
| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE |
| (30) |
Priority: |
27.03.1995 EP 95870026
27.06.1995 US 557
30.06.1995 EP 95870079
02.12.1995 EP 95203330
|
| (71) |
Applicant: THE PROCTER & GAMBLE COMPANY |
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Cincinnati,
Ohio 45202 (US) |
|
| (72) |
Inventors: |
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- Scialla, Stefano (NMN)
00128 Rome (IT)
- Raso, Floriana (NMN)
00149 Rome (IT)
- Scoccianti, Raffaele (NMN)
00153 Rome (IT)
|
| (74) |
Representative: Engisch, Gautier et al |
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Procter & Gamble
European Technical Center N.V.
Temselaan 100
1853 Strombeek-Bever
1853 Strombeek-Bever (BE) |
|
| |
|
| (54) |
Use of amino oxide surfactants for improved stain removal performance |
(57) The present invention relates to the use of an amine oxide surfactant according to
the formula R1R2R3NO, wherein each of R1, R2 and R3 is independently a saturated substituted
or unsubstituted, linear or branched alkyl group of from 1 to 30 carbon atoms, or
mixtures thereof, in a cleaning composition, to improve the stain removal performance
of said composition. The present invention further relates to processes of cleaning
carpets and of pretreating fabrics with said compositions.