Method of manufacturing calcium carbonate single crystal

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United States of America Patent

PATENT NO 4961823
SERIAL NO

07146294

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Abstract

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A starting material composed of calcium carbonate is dissolved in a nitrate aqueous solution containing either Ca(NO.sub.3).sub.2 or NH.sub.4 NO.sub.3 under application of heat and pressure. The starting material is hydrothermally synthesized within the nitrate aqueous solution to effect the rapid growth of calcium carbonate single crystal.

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Patent Owner(s)

  • SEIKO INSTRUMENTS & ELECTRONICS LTD.;HIRANO, SHINICHI, 123, MEIDAI YADA-CHO SYUKUSHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirano, Shinichi 123, Meidai Yada-cho Syukusha, 66, Yada-cho 2-chome, Higashi-ku, Aichi-ken, JP 105 458
Kuroda, Hiroshi Tokyo, JP 125 2512
Toyokuni, Ryo Tokyo, JP 4 23

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