(19) |
 |
|
(11) |
EP 0 450 855 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
|
15.01.1992 Bulletin 1992/03 |
(43) |
Date of publication A2: |
|
09.10.1991 Bulletin 1991/41 |
(22) |
Date of filing: 27.03.1991 |
|
|
(84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB IT LI NL SE |
(30) |
Priority: |
04.04.1990 GB 9007645
|
(71) |
Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC |
|
London SW1P 3JF (GB) |
|
(72) |
Inventors: |
|
- Winterton, Neil
Pantasaph,
Hollywell,Clwyd CH8 8NZ (GB)
- McBeth, David George
Preston Brook,
Runcorn,
Cheshire WA7 3BH (GB)
|
(74) |
Representative: Thomas, Ieuan et al |
|
Intellectual Property Department
ICI Chemicals & Polymers Ltd
P.O. Box 11
The Heath Runcorn
Cheshire WA7 4QE Runcorn
Cheshire WA7 4QE (GB) |
|
|
|
(54) |
Solvent cleaning of articles |
(57) Low molecular weight, fluorine-containing ethers of boiling point 20°C to 120°C are
used in solvent cleaning applications.