| (19) |
 |
|
(11) |
EP 0 159 877 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.05.1987 Bulletin 1987/20 |
| (43) |
Date of publication A2: |
|
30.10.1985 Bulletin 1985/44 |
| (22) |
Date of filing: 12.04.1985 |
|
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| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB IT LI LU NL SE |
| (30) |
Priority: |
13.04.1984 US 600349
|
| (71) |
Applicant: LEVI STRAUSS & CO. |
|
() |
|
| (72) |
Inventors: |
|
- Pensa, Ildo E.
()
- Hughes, C. Duff, Jr.
()
- Hood, Nicholas S.
()
- Saunders, Eugene M.
()
- Clifford, G. Frank
()
|
|
| |
|
| (54) |
A non-aqueous dyeing process |
(57) A non-aqueous process for dyeing a shaped article at an elevated temperature comprises
causing a thin continuous film of a dye composition to flow over the surfaces of the
shaped article at an elevated temperature. The dye composition temperature and the
time of contact between the dye composition and the shaped article are sufficient
to effectuate the dyeing of the shaped article. The dye composition comprises a substantially
non-aqueous solvent, a dyestuff, and one or more additives, if needed.