Patents by Inventor John M. Weeman

John M. Weeman 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).

  • Concentrated aqueous detergent compositions
    Patent number: 4483787
    Abstract: Concentrated aqueous liquid detergent compositions comprising more than about 35% alkylpolyethoxylate sulfate detergent surfactant and an alkyloligoglycoside detergent surfactant.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: November 20, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Keith A. Jones, John M. Weeman
  • Process of preparing alkylpolysaccharides
    Patent number: 4393203
    Abstract: Long chain fatty alcohols can be removed from alkylpolysaccharide products in thin film evaporators to achieve fatty alcohol levels of less than about 2% without excessive discoloration of the alkylpolysaccharide.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: July 12, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Mark H. K. Mao, Larry E. Miller, John M. Weeman