| (19) |
 |
|
(11) |
EP 0 372 388 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
18.12.1991 Bulletin 1991/51 |
| (43) |
Date of publication A2: |
|
13.06.1990 Bulletin 1990/24 |
| (22) |
Date of filing: 30.11.1989 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE DE ES FR GB IT NL |
| (30) |
Priority: |
30.11.1988 JP 303159/88
30.11.1988 JP 303160/88
28.02.1989 JP 47534/89
|
| (71) |
Applicant: KAO CORPORATION |
|
Chuo-ku
Tokyo (JP) |
|
| (72) |
Inventors: |
|
- Kakiuchi, Shusuke
Haga-gun
Tochigi (JP)
- Ishii, Makoto
Utsunomiya-shi
Tochigi (JP)
- Nakae, Atsuo
Minami Saitama-gun
Saitama (JP)
- Ikoma, Seiko
Ekuseruin Higashi Shukugo 307
Utsunomiya-shi
Tochigi (JP)
|
| (74) |
Representative: Hansen, Bernd, Dr.rer.nat. et al |
|
Hoffmann, Eitle & Partner
Patentanwälte
Postfach 81 04 20
81904 München
81904 München (DE) |
|
| |
|
| (54) |
Water-disintegrable cleaning sheet |
(57) A water-disintegrable cleaning sheet comprising a web of water-dispersible fibers
having incorporated thereinto a water-soluble binder having a carboxyl group; at least
one metallic ion selected from the group consisting of ions of alkaline earth metals,
manganese, zinc, cobalt, and nickel; and an aqueous cleaning agent containing an organic
solvent, is disclosed. The sheet satisfies both water disintegrability and strength
even when cotained a cleaning agent of high water content.