Back to results
US 7,029,641 B2Granted
Method of making lithium borohydride
AssigneeRohm and Haas Company
InventorsJohn Hiroshi Yamamoto, Won Suh Park, Aaron Sarafinas, Michael Miller Cook, Stephen Gerard Maroldo
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method of making lithium borohydride that gives high yields while maintaining ease of purification.
Claims7
A method for preparing lithium borohydride on an industrial scale comprising
- (a) placing in a cylindrical tank 1 mole or more of a first reactant comprising one or more members of the list consisting of sodium borohydride and potassium borohydride, 1 mole or more of a second reactant comprising lithium chloride, and a solvent capable of dissolving lithium borohydride;
- and
- (b) mixing the contents of said cylindrical tank, wherein said mixing is performed by rotating a shaft connected to one or more blades or impellers, and wherein said mixing imparts power per unit volume of at least 500 watt/cubic meter to said contents of said cylindrical tank;
- wherein said method is performed without the use of attrition media.
1 more element
Dependencies are inferred from the claim text.