专利名称:Preparation of solutions发明人:Bendle, David Richard, c/o KODAK
LIMITED,English, David Guy Nicholas, c/oKODAK LIMITED,Foster, Jeremy Simon, c/oKODAK LIMITED
申请号:EP94109967.3申请日:19940628公开号:EP0636935B1公开日:19981125
摘要:The present invention is a process for continuous preparation of solutions ofwater-immiscible or water-insoluble organic compounds in substantially non-aqueousorganic solvents. Particularly, a process for the continuous preparation of colour formingcoupler solutions for use in the photographic industry is described. The process uses atwin screw extruder wherein the compound to be dissolved is introduced into a firstsection of the extruder. The compound passes along the extruder interior to a sectionwhere organic solvent is introduced to form the required solution.
申请人:KODAK LTD,EASTMAN KODAK CO
地址:GB,US
国籍:GB,US
代理机构:Aufflick, James Neil
更多信息请下载全文后查看
因篇幅问题不能全部显示,请点此查看更多更全内容