Patents by Inventor Antony E. Winston

Antony E. Winston 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: 6140291
    Abstract: An aqueous metal cleaning composition is provided which comprises an alkalinity providing agent such as alkali metal carbonate and/or bicarbonate salts and a low foaming surfactant. The aqueous cleaning solution has specific foam height and foam collapse characteristics, and provides for substantially complete phase separation of a contaminant phase from the aqueous cleaning composition such that there is substantially no aqueous phase drag out into the contaminant phase; and the contaminant phase can be removed easily, and the aqueous cleaning solution can be recovered and reused.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: October 31, 2000
    Assignee: Church & Dwight Co., Inc.
    Inventors: Steven A. Bolkan, Gale A. Byrnes, Steven Dunn, Alfredo Vinci, Antony E. Winston, Patricia L. Phillips
  • Patent number: 5834411
    Abstract: An aqueous metal cleaning composition is provided which comprises an alkalinity providing agent such as alkali metal carbonate and/or bicarbonate salts and a low foaming surfactant. The aqueous cleaning solution has specific foam height and foam collapse characteristics, and provides for substantially complete phase separation of a contaminant phase from the aqueous cleaning composition such that there is substantially no aqueous phase drag out into the contaminant phase; and the contaminant phase can be removed easily, and the aqueous cleaning solution can be recovered and reused.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: November 10, 1998
    Assignee: Church & Dwight Co., Inc
    Inventors: Steven A. Bolkan, Gale A. Byrnes, Steven Dunn, Alfredo Vinci, Antony E. Winston, Patricia L. Phillips