Patents by Inventor Harold J. Nicholson

Harold J. Nicholson 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).

  • Composition for altering the configuration of hair
    Patent number: 4572220
    Abstract: A hair conditioning composition particularly useful in conjunction with hair waving having a pH value of about 4-9 and containing water having dissolved therein about 0.05-5 weight percent quaternary nitrogen-containing conditioning polymer having a molecular weight of about 10,000-10,000,000, and about 0.5-10 weight percent of a water-soluble disulfide-containing polycarboxylic acid or salt thereof, as well as methods for its use and preparation are disclosed.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: February 25, 1986
    Assignee: Helene Curtis Industries, Inc.
    Inventors: Du Y. Hsiung, Chester A. Davis, Harold J. Nicholson
  • Hair conditioning and composition therefor
    Patent number: 4391286
    Abstract: A hair conditioning composition particularly useful in conjunction with hair waving having a pH value of about 4-9 and containing water having dissolved therein about 0.05-5 weight percent quaternary nitrogen-containing conditioning polymer having a molecular weight of about 10,000-10,000,000, and about 0.5-10 weight percent of a water-soluble disulfide-containing polycarboxylic acid or salt thereof, as well as methods for its use and preparation are disclosed.
    Type: Grant
    Filed: February 19, 1981
    Date of Patent: July 5, 1983
    Assignee: Helene Curtis Industries
    Inventors: Du Y. Hsiung, Chester A. Davis, Harold J. Nicholson