| (19) |
 |
|
(11) |
EP 0 443 530 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
05.02.1992 Bulletin 1992/06 |
| (43) |
Date of publication A2: |
|
28.08.1991 Bulletin 1991/35 |
| (22) |
Date of filing: 19.02.1991 |
|
| (51) |
International Patent Classification (IPC)5: G03C 7/305 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
22.02.1990 US 483601
|
| (71) |
Applicant: EASTMAN KODAK COMPANY |
|
Rochester,
New York 14650-2201 (US) |
|
| (72) |
Inventors: |
|
- Begley, William James,
c/o EASTMAN KODAK COMPANY
Rochester,
New York 14650-2201 (US)
- Chen, Teh Hsuan,
c/o EASTMAN KODAK COMPANY
Rochester,
New York 14650-2201 (US)
- Ling, Hans Gway,
c/o EASTMAN KODAK COMPANY
Rochester,
New York 14650-2201 (US)
|
| (74) |
Representative: Brandes, Jürgen, Dr. rer. nat. et al |
|
Wuesthoff & Wuesthoff
Patent- und Rechtsanwälte
Schweigerstrasse 2
81541 München
81541 München (DE) |
|
| |
|
| (54) |
Photographic material and process comprising wash-out naphtholic coupler |
(57) A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety
containing a -CONH₂ group in the 2- position and a ballasted coupling-off group in
the 4- position enables good wash out of dye formed upon oxidative coupling from a
photographic material during processing of such a photographic material. Such a naphtholic
coupler is useful in photographic silver halide materials and processes.