Patents by Inventor Christopher Bruce Lind

Christopher Bruce Lind 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).

  • De-watering process
    Patent number: 6805802
    Abstract: Process muds are de-watered by the addition of high clay alumina. The clay is mixed with plant sludges or muds so as to cause flocculation of the solid particles, and separating the water from the solid materials, as by filtration. Various polymers and/or alum process residues can be added as well. In addition to de-watering plant sludges, this method also reduces color, and reduces the total organic carbon as well as heavy metals, from the filtered water. This permits disposal of the water to public waterways with no additional treatment.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: October 19, 2004
    Assignee: General Chemical Corporation
    Inventors: Christopher Bruce Lind, Raymond T. Pettyjohn
  • De-watering process
    Publication number: 20030189007
    Abstract: Process muds are de-watered by the addition of high clay alumina. The clay is mixed with plant sludges or muds so as to cause flocculation of the solid particles, and separating the water from the solid materials, as by filtration. Various polymers and/or alum process residues can be added as well. In addition to de-watering plant sludges, this method also reduces color, and reduces the total organic carbon as well as heavy metals, from the filtered water. This permits disposal of the water to public waterways with no additional treatment.
    Type: Application
    Filed: July 25, 2002
    Publication date: October 9, 2003
    Inventors: Christopher Bruce Lind, Raymond T. Pettyjohn
  • Deliquescent salt addition to alum used to treat animal waste products
    Patent number: 6468518
    Abstract: Animal enclosures such as poultry houses generate high amounts of ammonia that adversely affect weight gain and mortality or the animals, particularly among young chicks. The addition of a deliquescent salt, such as calcium chloride, to alum to treat animal waste products rapidly activates the alum to remove ammonia from the atmosphere. The ammonia sulfate by-product is useful as a nitrogen fertilizer.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: October 22, 2002
    Assignee: General Chemical Corporation
    Inventors: Christopher Bruce Lind, Joseph Lewis Hurd, Russell Hayden Barnes
  • DELIQUESCENT SALT ADDITION TO ALUM USED TO TREAT ANIMAL WASTE PRODUCTS
    Publication number: 20020106344
    Abstract: Animal enclosures such as poultry houses generate high amounts of ammonia that adversely affect weight gain and mortality or the animals, particularly among young chicks. The addition of a deliquescent salt, such as calcium chloride, to alum to treat animal waste products rapidly activates the alum to remove ammonia from the atmosphere. The ammonia sulfate by-product is useful as a nitrogen fertilizer.
    Type: Application
    Filed: February 8, 2001
    Publication date: August 8, 2002
    Inventors: Christopher Bruce Lind, Joseph Lewis Hurd, Russell Hayden Barnes
  • Color removal from effluent waters
    Patent number: 5766485
    Abstract: Alum process residues (APR) are used to remove colored contaminants from waste waters. In addition, in accordance with the invention, up to 0.1% by weight of alum and up to 5 ppm of a polyelectrolyte polymer is added to improve color removal, turbidity removal and the settling rate. The resultant APR-alum-polymer mixture together with contaminants in the waste water settles rapidly, reducing the costs of the color removal process.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 16, 1998
    Assignee: General Chemical Corporation
    Inventors: Christopher Bruce Lind, David Kisling Kennedy