| (19) |
 |
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(11) |
EP 0 665 322 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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22.11.1995 Bulletin 1995/47 |
| (43) |
Date of publication A2: |
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02.08.1995 Bulletin 1995/31 |
| (22) |
Date of filing: 01.02.1995 |
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| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB IE IT LI LU MC NL SE |
| (30) |
Priority: |
01.02.1994 JP 27580/94
|
| (71) |
Applicants: |
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- MEIJI SEIKA KAISHA LTD.
Chuo-ku
Tokyo 104 (JP)
- Rakuto Kasei Industrial Co., Ltd.
Shiga 520 (JP)
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| (72) |
Inventors: |
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- Hamaya, Toru,
c/o Seibutsu Kagaku Kenkyusho
Sakado-shi,
Saitama 350-02 (JP)
- Kono, Toshiaki,
c/o Seibutsu Kagaku Kenkyusho
Sakado-shi,
Saitama 350-02 (JP)
- Otsuka, Masaaki,
c/o Rakuto Kasei Ind. Co., Ltd.
Otsu-shi,
Shiga 520 (JP)
|
| (74) |
Representative: WILHELMS, KILIAN & PARTNER
Patentanwälte |
|
Eduard-Schmid-Strasse 2
81541 München
81541 München (DE) |
|
| |
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| (54) |
Dye antiredeposition agent and treatment method for pre-dyed fabrics or garments using
this agent |
(57) A dye antiredeposition agent to be used at the time of the treatment of pre-dyed
fabrics or its garments, which contains a colloid, and a treatment method for pre-dyed
fabrics or its garments, which comprises using the dye antiredeposition agent at the
time of the treatment of pre-dyed fabrics or its garments.
The present invention has rendered possible simple and efficient prevention of redeposition
of dyes at the time of the treatment of pre-dyed fabrics or its garments. Especially,
when an enzyme is used in the treatment, adverse influences upon the enzyme is characteristically
small.