| (19) |
 |
|
(11) |
EP 0 174 018 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
17.02.1988 Bulletin 1988/07 |
| (43) |
Date of publication A2: |
|
12.03.1986 Bulletin 1986/11 |
| (22) |
Date of filing: 04.09.1985 |
|
|
| (84) |
Designated Contracting States: |
|
BE CH DE IT LI |
| (30) |
Priority: |
06.09.1984 US 647808
|
| (71) |
Applicant: E.I. DU PONT DE NEMOURS AND COMPANY |
|
() |
|
| (72) |
Inventors: |
|
- Wilhite, Douglas Lee
()
- Mickewich, Daniel James
()
|
|
| |
|
| (54) |
Splash-prepared silver halide emulsions with a uniform particle size distribution |
(57) Silver halide emulsions with a narrow and uniform particle size distribution are
made by introducing monodisperse seed crystals into a gelatin-salts mixture, followed
by normal splash-preparation procedures to make the final emulsion.