| (19) |
 |
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(11) |
EP 0 346 835 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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17.10.1990 Bulletin 1990/42 |
| (43) |
Date of publication A2: |
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20.12.1989 Bulletin 1989/51 |
| (22) |
Date of filing: 13.06.1989 |
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| (84) |
Designated Contracting States: |
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AT BE CH DE ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
14.06.1988 US 206531
|
| (71) |
Applicant: BASF Corporation |
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Williamsburg,
Virginia 23187 (US) |
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| (72) |
Inventor: |
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- Minns, Charles Randolph
Williamsburg, Va. 23185 (US)
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| (74) |
Representative: Huber, Bernhard, Dipl.-Chem. et al |
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Patentanwälte
H. Weickmann, Dr. K. Fincke
F.A. Weickmann, B. Huber
Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm
Postfach 86 08 20
81635 München
81635 München (DE) |
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| |
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| (54) |
Method of cleaning carpets and the use of a composition |
(57) An aqueous cleaning composition suitable for removing stains, soils, or combinations
thereof from synthetic polymer fibers. The composition finds particular application
in removing coffee stains from fibers contained in textile products such as carpets.
The composition has a pH in the range of from about 7.0 to about 12 and comprises
a peroxyhydrate, i.e., hydrogen peroxide, and a water soluble alcohol having up to
5 carbon atoms, i.e., isopropyl.