Patents by Inventor Gunter J. Caspari

Gunter J. Caspari 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).

  • Stabilization of phosphorodithioic acid diesters
    Patent number: 4496495
    Abstract: Diesters of phosphorodithioic acid are stabilized against thermal decomposition by the addition of small amounts of a stabilizer which is selected from the group consisting of ammonia, ammonium carbonate, ammonium salts of carboxylic acids, the oxides, hydroxides and carbonates of lithium, sodium, potassium, rubidium, cesium, berylium, magnesium, calcium, strontium and barium, and mixtures thereof.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: January 29, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Gunter J. Caspari, Steven E. Lindberg