Title:
【発明の名称】沈殿法による、固体の、粒状カルボン酸の希土類塩の合成
Document Type and Number:
Japanese Patent JP2000507951
Kind Code:
A
Abstract:
The invention relates to the production of solid, powdery carboxylates of Rare Earth elements, particularly Nd, La, Pr, and Ce, where the ligands coordinated to the metal are preferably long chain, branched carboxylic acids, most preferably 2-ethylhexanoic, neodecanoic (versatic) and naphthenic acids. The process involves batch precipitation of the product by utilizing Rare Earth water soluble salts, preferably Rare Earth nitrates, and salts of the carboxylic acid and washing the product with water, alcohol, water and alcohol mixtures or combinations thereof.
Inventors:
Yunlu, Kenan
Application Number:
JP53508097A
Publication Date:
June 27, 2000
Filing Date:
March 24, 1997
Export Citation:
Assignee:
Rhodia Incorporated
International Classes:
B01J23/10; B01J31/04; C01F17/00; C07C51/41; C07C53/126; C07C53/134; C08F4/52; (IPC1-7): C07C51/41; B01J31/04; C07C53/126; C07C53/134; C08F4/52; C08F36/04
Attorney, Agent or Firm:
Takashi Ishida (4 others)