Patents by Inventor George Thomas Staines

George Thomas Staines 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).

  • Dewatering of aqueous suspensions
    Patent number: 6376561
    Abstract: Belt pressing or other pressure dewatering of a high solids mineral suspension is facilitated by flocculating the suspension by mixing into the suspension anionic flocculant having IV at least 5 dl/g and a minor amount of a cationic flocculant which generally has IV at least 4 dl/g. The flocculants are normally such that counterionic precipitation occurs.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: April 23, 2002
    Assignee: Ciba Specialty Chemicals Water Limited Treatments
    Inventors: Anthony Peter Allen, Philip McColl, George Thomas Staines
  • Dewatering of aqueous suspensions
    Patent number: 6063291
    Abstract: Belt pressing or other pressure dewatering of a high solids mineral suspension is facilitated by flocculating the suspension by mixing into the suspension anionic flocculant having IV at least 5 dl/g and a minor amount of a cationic flocculant which generally has IV at least 4 dl/g. The flocculants are normally such that counterionic precipitation occurs.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: May 16, 2000
    Assignee: Ciba Specialty Chemicals Water Treatments Limited
    Inventors: Anthony Peter Allen, Philip McColl, George Thomas Staines