专利检索 ap:("DU PONT") AND inv:"COUNTRYMAN ROBERT CHAPMAN" 第 1 页

1.

发明授权
Process for preparing silver halide emulsions comprising the addition of excess chloride ion 失效
标题翻译：制备包含增加氯化物离子的银盐乳液的方法

公开(公告)号：US3597209A

公开(公告)日：1971-08-03

申请号：US3597209D

申请日：1968-01-25

申请人： DU PONT

发明人： COUNTRYMAN ROBERT CHAPMAN

IPC分类号： G03C1/49 , G03C1/02 , G03C1/28

CPC分类号： G03C1/49

摘要： RADIATION-SENSITIVE EMULSIONS AND ELEMENTS PARTICULARLY SUITABLE FOR USE IN HIGH INTENSITY OSCILLOGRAPHS ARE PREPARED BY ADDING TO A COLLOID-SILVER HALIDE EMULSION OF THE DEVELOPING-OUT TYPE OR DIRECT-WRITING TYPE, A LARGE AMOUNT OF A WATER SOLUBLE CHLORIDE SALT OF THE ORDER OF ABOUT 160 MOLE PERCENT BASED ON THE SILVER HALIDES AFTER DIGESTION AND PRIOR TO COATING THE EMULSION ON A SUPPORT.