Patents by Inventor Carl F. Raba, Jr.

Carl F. Raba, Jr. 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: 4498993
    Abstract: A method for dewatering clay slimes comprised of treating the slimes with a fly ash coated with a silane coupling reagent to which is bonded a polyacrylamide flocculant.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: February 12, 1985
    Assignee: Monier Resources, Inc.
    Inventors: Carl F. Raba, Jr., Robert L. Smith, Francis Y. Huang
  • Patent number: 4478736
    Abstract: A composition and method of preparing the composition for dewatering clay slimes comprised of treating the slimes with a fly ash coated with a silane coupling reagent to which is bonded a polyacrylamide flocculant.
    Type: Grant
    Filed: January 14, 1983
    Date of Patent: October 23, 1984
    Assignee: Monier Resources, Inc.
    Inventors: Carl F. Raba, Jr., Robert L. Smith, Francis Y. Huang