Patents by Inventor Michelle L. Lott

Michelle L. Lott 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).

  • Patent number: 5856375
    Abstract: Broadly, the present invention relates to furan no-bake foundry binders where bisphenol A tar (BPAT) is used to replace a portion of the furfuryl alcohol and any conventional filler optionally included in for binder formulation. Reduction in the amount of furfuryl alcohol in the foundry binder formulation may lead to a reduction in the cost and an improvement in early strength of these formulations. Accordingly, in a furan no-bake foundry binder of a resin derived from a major proportion of furfuryl alcohol and optionally fillers, the improvement which comprises at least a fraction of said furfuryl alcohol being bisphenol A tar. Bisphenol A tar also can replace at least a fraction of any filler included in the binder formulation.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: January 5, 1999
    Assignee: Ashland, Inc.
    Inventors: Ken K. Chang, Michael C. Clingerman, Michelle L. Lott, James T. Schneider