Title:
炭酸ナトリウムジルコニウムおよび塩基性炭酸ジルコニウムおよびそれらの製造方法
Document Type and Number:
Japanese Patent JP4885161
Kind Code:
B2
Abstract:
Methods of making zirconium basic carbonate are further described which involve titrating an aqueous slurry of sodium zirconium carbonate to a pH of from about 3.5 to about 4.0 with an acidic agent wherein the sodium zirconium carbonate has a moisture content of from about 15% to about 25% LOD in solid form. The process further involves washing the aqueous slurry containing the formed zirconium basic carbonate with water. A novel zirconium basic carbonate is further disclosed which has a minimum adsorption capacity of from about 30 to about 35 mg/PO4-P/gm SCZ; a minimum HCO3- content of from about 2 to about 4 mEq HCO3-gm/SCZ; a leachable Na+ content of from about 1.5 to about 2.0 mEq Na+/gm SCZ; and/or a pH range of titrated sodium zirconium carbonate of from about 6 to about 7.
Inventors:
Raymond Jay Won
Application Number:
JP2008046945A
Publication Date:
February 29, 2012
Filing Date:
February 27, 2008
Export Citation:
Assignee:
Renal Solutions Incorporated
International Classes:
A61M1/14; C01G25/00; A61K33/24; A61M1/16; A61M1/28; A61M1/36; A61P7/08; B01J20/02; B01J20/04; B01J20/06; B01J20/24; B01J20/28; C01B32/60
Domestic Patent References:
| JP59046129A | ||||
| JP51067297A | ||||
| JP54155199A | ||||
| JP2004525747A |
Foreign References:
| US3850835 |
Attorney, Agent or Firm:
Takashi Shoji