Patents by Inventor Yu-Chin Chiao

Yu-Chin Chiao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for electrodialytic treatment of salts to produce acid and/or base of improved purity
    Patent number: 5200046
    Abstract: The present invention relates to a method and related apparatus useful to electrodialytically convert salt to acid and/or base of improved purity. The apparatus comprises an electrodialytic water splitting apparatus comprised of at least one unit cell. Each cell comprises at least two means for splitting water. An intermediate compartment is between the two adjacent means for splitting water. At least one ion selective means is adjacent to at least one of the means for splitting water. An acid or base product compartment is between the ion selective means and the means for splitting water. There is an aqueous salt feed compartment, the ion selective means being between the salt feed compartment and the water splitting means.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: April 6, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Frederick P. Chlanda, Krishnamurthy N. Mani, Yu-Chin Chiao