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Method of Producing Choline of a High Purity

  • Shunji Hyoda
Conference paper

Abstract

A choline is a strongly basic substance and is used as a photoresist-developing solution. It is, however, difficult to remove by-products formed during the production of a choline. So far, therefore, the choline has been used in the presence of by-products thereof.

Keywords

Inclusion Complex Ethylene Oxide Guest Molecule Electrolytic Cell Anode Chamber 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1).
    Fumio Toda, Youichi Hasegawa, Shunji Hyoda, JP 95247247Google Scholar
  2. 2).
    Fumio Toda, Youichi Hasegawa, Shunji Hyoda, JP 96119911Google Scholar
  3. 3).
    Shunji Hyoda, Youichi Hasegawa, Fumio Toda, JP 96218191Google Scholar
  4. 4).
    Shunji Hyoda, Youichi Hasegawa, Fumio Toda, USP 5, 618, 978Google Scholar

Copyright information

© Springer Japan 1998

Authors and Affiliations

  • Shunji Hyoda
    • 1
  1. 1.Sakaide Research LaboratoryJapan Hydrazine Company Inc.Sakaide 762Japan

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