Patents by Inventor Peter Rutherford Brougham

Peter Rutherford Brougham 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: 6140301
    Abstract: A process for the preparation of a granular detergent composition or component having a bulk density greater than 650 g/l comprises the step of dispersing a liquid binder throughout a powder stream in a high speed mixer to form granular agglomerates, wherein the product stream comprises crystalline zeolite. A having an oil absorbing capacity of at least 40 ml/100 g.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: October 31, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Peter Rutherford Brougham, George Burgess
  • Patent number: 5925614
    Abstract: The invention relates to a process for the preparation of a granular detergent composition or component having a bulk density greater than 650 g/l which has greater ease and flexibility of processing. The process comprises the step of dispersing a liquid binder throughout a powder stream in a high speed mixer to form granular agglomerates, wherein the powder stream comprises a powder consisting essentially of crystalline zeolite A, P, X, or mixtures thereof, and crystalline zeolite HS. It is preferred that the ratio of zeolite A, P, X, or mixtures thereof, to crystalline zeolite HS is from 1:1 to 99:1, preferably from 3:1 to 20:1, and that the powder has an oil absorbing capacity of at least 40 ml/100 g, more preferably at least 45 ml/100 g, most preferably at least 50 ml/100 g.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: July 20, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Peter Rutherford Brougham, George Burgess