Patents by Inventor Maxim C. Brooks

Maxim C. Brooks 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: 4400288
    Abstract: Foam-controlled detergent compositions comprising alkoxylated nonionic surfactant, polydimethylsiloxane foam-controller dispersed therein, and siloxane-oxyalkylene copolymer as dispersing agent therefor, the weight ratio of polydimethylsiloxane to dispersing agent lying in the range from 2:1 to 20:1. The compositions preferably also contain particulate silica in a weight ratio of polydimethylsiloxane to silica of from 20:1 to 200:1.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: August 23, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Shafiq Dhanani, Ronald MacDonald, James S. Clunie, Maxim C. Brooks
  • Patent number: 4347168
    Abstract: A granular detergent composition, especially for laundry use, containing a specific mixture of anionic, alkoxylated nonionic and alkoxylated cationic surfactants. The compositions are particularly effective in removing greasy and oily soils from fabrics, and they have improved physical characteristics, especially odor characteristics, when prepared by spray drying.
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: August 31, 1982
    Assignee: The Procter & Gamble Company
    Inventors: Alan P. Murphy, Rory J. M. Smith, Maxim C. Brooks