Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound
Reexamination Certificate
2011-03-29
2011-03-29
Mayes, Melvin C (Department: 1732)
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
C423S071000, C423S263000, C423S598000, C423S599000, C423S352000, C423S356000, C423S592100, C423S594160, C423S608000, C501S134000, C501S102000, C501S105000, C501S135000, C501S136000, C501S137000
Reexamination Certificate
active
07914755
ABSTRACT:
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and the use of a nonmetal-ion-containing strong base can be used in a coprecipitation procedure for the preparation of ceramic powders. Examples of the precipitants used include tetraalkylammonium hydroxides. A composition-modified barium titanate is one of the ceramic powders that can be produced. Certain metal-ion chelates can be prepared from 2-hydroxypropanoic acid and ammonium hydroxide.
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EEStor, Inc.
Li Jun
Mayes Melvin C
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