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US 7,001,585 B2Granted
Method of making barium titanate
AssigneeFerro Corporation
InventorDonald Keith Swanson
Life of this patent
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Abstract
The present invention provides a method of making barium titanate powder. The method includes adding barium acetate to a solution of oxalic acid and titanium oxychloride to form barium titanyl oxalate and then calcining the barium titanyl oxalate to obtain barium titanate powder.
Claims14
A method of making barium titanate powder comprising:
- adding barium acetate to a solution comprising oxalic acid and titanium oxychloride to form barium titanyl oxalate;
- and
- calcining the barium titanyl oxalate to obtain barium titanate powder.
A method of making barium titanate powder comprising:
- adding barium hydroxide to a solution comprising oxalic acid and titanium oxychloride to form barium titanyl oxalate;
- and
- calcining the barium titanyl oxalate to obtain barium titanate powder.
Dependencies are inferred from the claim text.