专利检索 ap:("Francisco J. S. Menendez" OR "Fernando M. S. Menendez" OR "Antonio De La Cuadra Herrera" OR "Francisco A. Tamargo" OR "Luis P. Lorenzo" OR "Matias R. Valcarcel" OR "Vicente A. Fernandez") AND inv:"Luis P. Lorenzo" 第 1 页

1.

发明授权
Process for the recovery of germanium from solutions that contain it 失效
标题翻译：从含有它的溶液中回收锗的过程

公开(公告)号：US4886648A

公开(公告)日：1989-12-12

申请号：US213182

申请日：1988-06-29

申请人： Francisco J. S. Menendez , Fernando M. S. Menendez , Antonio De La Cuadra Herrera , Francisco A. Tamargo , Luis P. Lorenzo , Matias R. Valcarcel , Vicente A. Fernandez

发明人： Francisco J. S. Menendez , Fernando M. S. Menendez , Antonio De La Cuadra Herrera , Francisco A. Tamargo , Luis P. Lorenzo , Matias R. Valcarcel , Vicente A. Fernandez

IPC分类号： C01G17/00 , C22B3/26 , C22B41/00

CPC分类号： C01G17/003 , C22B3/0032 , Y02P10/234

摘要： Process for the recovery of germanium from solutions that contain it, in particular from solutions diluted by the addition of tartaric acid and extraction with an organic solution of a tertiary amine. In the reextraction with sodium hydroxide there is obtained a concentrate of germanium.