| (19) |
 |
|
(11) |
EP 0 159 876 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
06.05.1987 Bulletin 1987/19 |
| (43) |
Date of publication A2: |
|
30.10.1985 Bulletin 1985/44 |
| (22) |
Date of filing: 12.04.1985 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB IT LI LU NL SE |
| (30) |
Priority: |
13.04.1984 US 600103
|
| (71) |
Applicant: LEVI STRAUSS & CO. |
|
() |
|
| (72) |
Inventors: |
|
- Pensa, Ildo E.
()
- Hughes, Duff C, Jr.
()
- Hood, Nicolas S.
()
- Saunders, Eugene M.
()
|
|
| |
|
| (54) |
A non-aqueous dyeing process |
(57) A substantially non-aqueous process for the dyeing of a dyeable material at an elevated
temperature comprises contacting a dyeable material with a dye composition at an elevated
temperature in a non-reactive environment such as that provided by a fluorocarbon.
The dye composition temperature and the time of contact between the dye composition
and the dyeable material are sufficient to effectuate the dyeing of the material.
The dye composition comprises a substantially non-aqueous solvent and a dyestuff.