| (19) |
 |
|
(11) |
EP 0 286 597 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
23.11.1989 Bulletin 1989/47 |
| (43) |
Date of publication A2: |
|
12.10.1988 Bulletin 1988/41 |
| (22) |
Date of filing: 05.04.1988 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB IT LI NL |
| (30) |
Priority: |
06.04.1987 GB 8708192
|
| (71) |
Applicant: SANDOZ AG |
|
4002 Basel (CH) |
|
| (72) |
Inventors: |
|
- Snider, William Douglas
Alvaston
Derby DE2 0SJ (GB)
- Taylor, James Martin
Alvaston
Derby DE2 0SJ (GB)
|
|
| |
|
| (54) |
Dyeing and printing fibres |
(57) In the pretreatment of textile fibres, prior to dyeing or printing, with a compound
comprising the reaction product of an amine with cyanamide, dicyandiamide, guanidine
or bisguanidine, operation at pH values greater than 11 and temperatures less than
50°C gives improved fixation of pretreatment agent and superior fastness properties
of the finished dyeing or printing.