Patents by Inventor Richard G. Young

Richard G. Young 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: 4533484
    Abstract: Methods of rendering water-soluble dyes insoluble comprise contacting a polymer containing X-alkyl-2-oxazolidinone with the desired dye or dyes. The essentially water-insoluble pigments so prepared are useful in a wide variety of uses and, in particular, in coloring soaps, toothpaste, etc.
    Type: Grant
    Filed: October 6, 1983
    Date of Patent: August 6, 1985
    Assignee: The Dow Chemical Company
    Inventors: Wilhelm E. Walles, William H. Keskey, Richard G. Young
  • Patent number: 4486339
    Abstract: A sequestering agent useful in chelation of calcium and/or magnesium ions in aqueous solution comprises by weight from about 2 percent to about 20 percent iminodiacetic acid or a water-soluble salt thereof and from about 98 percent to about 80 percent of nitrilotriacetic acid or a water-soluble salt thereof.
    Type: Grant
    Filed: August 4, 1982
    Date of Patent: December 4, 1984
    Assignee: The Dow Chemical Company
    Inventor: Richard G. Young