Patents by Inventor Mark E. Busbice

Mark E. Busbice 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).

  • Method of reducing methanol in recycle streams in bisphenol-A production process
    Patent number: 8143456
    Abstract: Methods for removing methanol from acetone recycle streams during bisphenol-A production, thereby avoiding the deactivation of catalyst, by distilling an acetone-methanol-water comprising mixture such that acetone is taken overhead in form of a relatively pure distillate, and substantial portions of the methanol and the water are leaving with the bottom product.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: March 27, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Thomas C. Young, Michael D. Cloeter, Mark E. Busbice
  • METHOD OF REDUCING METHANOL IN RECYCLE STREAMS IN BISPHENOL-A PRODUCTION PROCESS
    Publication number: 20110137087
    Abstract: Methods for removing methanol from acetone recycle streams during bisphenol-A production, thereby avoiding the deactivation of catalyst, by distilling an acetone-methanol-water comprising mixture such that acetone is taken overhead in form of a relatively pure distillate, and substantial portions of the methanol and the water are leaving with the bottom product.
    Type: Application
    Filed: August 22, 2008
    Publication date: June 9, 2011
    Inventors: Thomas C. Young, Michael D. Cloeter, Mark E. Busbice