| (19) |
 |
|
(11) |
EP 0 375 244 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
08.08.1990 Bulletin 1990/32 |
| (43) |
Date of publication A2: |
|
27.06.1990 Bulletin 1990/26 |
| (22) |
Date of filing: 12.12.1989 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB GR IT LI NL SE |
| (30) |
Priority: |
14.12.1988 GB 8829148
|
| (71) |
Applicants: |
|
- UNILEVER PLC
London EC4P 4BQ (GB)
GB
- UNILEVER N.V.
3013 AL Rotterdam (NL)
BE CH DE ES FR GR IT LI NL SE AT
|
|
| (72) |
Inventors: |
|
- Boodaghians, Razmik Baghdassar-Zadeh
Sutton
Surrey, SM1 4LY (GB)
- Farmer, David Bretland
Abinger Hammer
Dorking
Surrey, RH5 6RP (GB)
|
| (74) |
Representative: Roscoe, Brian Corrie et al |
|
UNILEVER PLC
Patents Division
Colworth House
Sharnbrook
Bedford MK44 1LQ
Bedford MK44 1LQ (GB) |
|
| |
|
| (54) |
Preparation of a wallpaper pigmented ground coat |
(57) The wet rub resistance of a pigmented wallpaper ground coat is improved by using
a polymer emulsion prepared by pressure reaction in the presence of a stabilising
surfactant containing a C14 to C20 alkylene moiety and then post reacted with an epoxy
silane.