Patents by Inventor Leo J. Paridon

Leo J. Paridon 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: 4747978
    Abstract: A composition of calcium hypochlorite and from about 0.1 to about 3.0 percent by weight water soluble aluminum-containing inorganic salt is provided and can be used to disinfect a water body, e.g., a swimming pool, and enhance the water clarity.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: May 31, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Clifford E. Loehr, Leo J. Paridon, Robert B. Simmons
  • Patent number: 4303793
    Abstract: A stable, flowable aqueous dispersion of agriculturally acceptable carbamate compound is prepared by wet-milling an aqueous carbamate suspension, said suspension prepared by subsurface injection of molten carbamate into a stirred aqueous salt solution.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: December 1, 1981
    Assignee: PPG Industries, Inc.
    Inventors: Leo J. Paridon, Robert E. Downing