Patents by Inventor Merle W. Ferry

Merle W. Ferry 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: 4276205
    Abstract: Detergent compositions exhibiting superior detergency in cool or cold water fabric laundering operations comprise an amine oxide surfactant, an ethoxylated alcohol or ethoxylated alkyl phenol nonionic surfactant, and a C.sub.2 -C.sub.4 alkylene oxide condensation product having a molecular weight in the range of from about 2,000 to 40,000. The compositions preferably contain detergent builder materials, especially alkali metal silicates. Also described are cool or cold water laundering processes utilizing the compositions.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: June 30, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Merle W. Ferry