Patents Represented by Attorney R. L. Anderson
  • Patent number: 4966762
    Abstract: A novel process is claimed for manufacturing a composition of matter comprising particles which appear to comprise sodium carbonate, sodium carbonate peroxide and a stabilizer such as, a disphosphonic acid, the anhydrous sodium carbonate being present in sufficient quantity to form sodium carbonate monohydrate by reacting with all of the water formed on decomposition of the sodium percarbonate.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: October 30, 1990
    Assignee: FMC Corporation
    Inventors: Henry A. Pfeffer, William A. Hills
  • Patent number: 4897502
    Abstract: A process is provided for making halogen-substituted triaryl phosphate esters which are normally solid under ambient conditions. The process comprises reacting a halogenated phenol with phosphorus oxychloride in the presence of a magnesium chloride catalyst above the melting point of the desired product. After the reaction is complete the product is recovered by adding an alcohol, such as, pentanol, 2-ethyl hexanol or hexanol and cooling the resulting mixture below the melting point of the product.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: January 30, 1990
    Assignee: FMC Corporation
    Inventors: Louis T. Gunkel, John Crosby
  • Patent number: 4731173
    Abstract: The present invention is a layered article of manufacture or quilt suitable to be useful to construct an electrolytic cell for manufacturing hydrogen peroxide. In use the quilt is placed upon a planar anode and the upper surface contacted with a current collector.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: March 15, 1988
    Assignee: FMC Corporation
    Inventor: John S. C. Chiang