Patents by Inventor Luis R. Rodriguez

Luis R. Rodriguez 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).

  • Foundry core compositions
    Patent number: 4487868
    Abstract: A foundry core composition containing a rapid-curing furfuryl alcohol and phenolic resole resin system useful in the "hot-box" process is provided. This composition includes an acidic curing agent of low toxicity whose catalytic activity is enhanced by the presence of a water-soluble polymeric polyhydroxy compound.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: December 11, 1984
    Assignee: Acme Resin Corporation
    Inventors: David R. Armbruster, Luis R. Rodriguez