| (19) |
 |
|
(11) |
EP 0 341 088 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
29.08.1990 Bulletin 1990/35 |
| (43) |
Date of publication A2: |
|
08.11.1989 Bulletin 1989/45 |
| (22) |
Date of filing: 08.05.1989 |
|
| (51) |
International Patent Classification (IPC)4: G03C 7/327 |
|
| (84) |
Designated Contracting States: |
|
FR GB |
| (30) |
Priority: |
06.05.1988 US 190801
|
| (71) |
Applicant: EASTMAN KODAK COMPANY
(a New Jersey corporation) |
|
Rochester,
New York 14650 (US) |
|
| (72) |
Inventors: |
|
- Tang, Ping-Wah
c/o EASTMAN KODAK COMPANY
Rochester
New York 14650 (US)
- Cowan, Stanley Wray
c/o EASTMAN KODAK COMPANY
Rochester
New York 14650 (US)
- Lau, Philip Thiam Shin
c/o EASTMAN KODAK COMPANY
Rochester
New York 14650 (US)
|
| (74) |
Representative: Baron, Paul Alexander Clifford et al |
|
Kodak Limited
Patent Department
Headstone Drive
Harrow
Middlesex HA1 4TY
Harrow
Middlesex HA1 4TY (GB) |
|
| |
|
| (54) |
Polymeric couplers prepared in the presence of a coupler solvent |
(57) Photographic elements are described containing a polymeric dye-forming coupler that
has been formed by emulsion polymerization of ethylenically unsaturated monomers in
the presence of a high-boiling organic coupler solvent. Couplers of high activity
are obtained.