Patents by Inventor Stuart Clive Askew

Stuart Clive Askew 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).

  • Detergent compositions containing and effervescent
    Patent number: 6313086
    Abstract: Low density detergent compositions, containing sulfate and an acidic dispersing aid combined with an alkaline source, which are capable of reacting together to produce a gas, are suitable for use in laundry washing methods.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: November 6, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Stuart Clive Askew, Graham Alexander Sorrie
  • Detergent composition having effervescent generating ingredients
    Patent number: 6191100
    Abstract: This invention relates to a detergent composition comprising an anionic surfactant and a cationic surfactant, an acid source and an alkali source capable of reacting together in the presence of water to produce a gas.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: February 20, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Stuart Clive Askew, Graham Alexander Sorrie
  • Alkoxylated cationic detergency ingredients
    Patent number: 6136769
    Abstract: Alkoxylated cationic surfactants, and mixtures thereof, are used in detergent compositions.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: October 24, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Kaori Asano, Stuart Clive Askew, Hajime Baba, Andre Cesar Baeck, Jean-Luc Bettiol, Thomas Anthony Cripe, Laura Cron, Ian Martin Dodd, Peter Robert Foley, Richard Timothy Hartshorn, Lynda Anne (Jones) Speed, Rinko Katsuda, Frank Andrej Kvietok, Kaori Minamikawa, Mark Hsiang-Kuen Mao, Michael Alan John Moss, Susumu Murata, Royohei Ohtani, Mitsuyo Okamoto, Rajan Keshav Panandiker, Kakumanu Pramod, Khizar Mohamed Kahn Sarnaik, Jeffrey John Scheibel, Christiaan Arthur Jacques Kamiel Thoen, Kenneth William Willman