Patents by Inventor Steven A. Shaya

Steven A. Shaya 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).

  • Process for making pyridinethione salts
    Patent number: 4323683
    Abstract: A process for producing heavy metal, magnesium or aluminum pyridinethione salt crystals involving reacting a water soluble salt of the desired metal with a water soluble pyridinethione salt or pyridinethione itself in an aqueous surfactant medium.
    Type: Grant
    Filed: February 7, 1980
    Date of Patent: April 6, 1982
    Assignee: The Procter & Gamble Company
    Inventors: Raymond E. Bolich, Jr., Steven A. Shaya, Christian Steuri