| (19) |
 |
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(11) |
EP 0 417 960 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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12.06.1991 Bulletin 1991/24 |
| (43) |
Date of publication A2: |
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20.03.1991 Bulletin 1991/12 |
| (22) |
Date of filing: 04.09.1990 |
|
| (51) |
International Patent Classification (IPC)5: D06M 15/263 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
15.09.1989 US 408053
|
| (71) |
Applicant: ROHM AND HAAS COMPANY |
|
Philadelphia
Pennsylvania 19105 (US) |
|
| (72) |
Inventors: |
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- Blankenship, Robert Mitchell
Harleysville,
Pennsylvania 19438 (US)
- Morris, Hal Conley
Warminster,
Pennsylvania 18974 (US)
|
| (74) |
Representative: Angell, David Whilton et al |
|
ROHM AND HAAS
European Operations Patent Department
Lennig House
2 Mason's Avenue
Croydon
CR9 3NB
Croydon
CR9 3NB (GB) |
|
| |
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|
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Remarks: |
|
The application is published incomplete as filed (Article 93 (2) EPC). The point in
the description at which the omission obviously occurs has been left blank. |
|
| (54) |
High molecular weight acrylic polymers |
(57) A polymer which is a copolymer of about 1-20 weight percent acrylic acid and about
80-99 weight percent methacrylic acid having a weight average molecular weight of
from 80,000 to 350,000 is useful in improving the stain-resistance of fibre.