The sensitivity/fog ratio can be improved by using photographic silver halide emulsions containing gelatine which has a cysteine content of less than 10 ppm and a gold number of >/=23 mu mol/g.
申请公布号
US4990440(A)
申请公布日期
1991.02.05
申请号
US19890389419
申请日期
1989.08.04
申请人
AGFA-GEVAERT AKTIENGESSELLSCHAFT
发明人
MOLL, FRANZ;MUECKE, BRUNO;PAETZOLD, WALTER;WAGNER, KLAUS
