Patents by Inventor Everett Nichols

Everett Nichols 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).

  • Method for the removal of submicron particulates from chlorinated water by sequentially adding a cationic polymer followed by adding an anionic polymer
    Publication number: 20060196834
    Abstract: A method for removing submicron colloidal particulates, such as hydrocarbons, from water. The method includes first adding a soluble, cationic polymer, such as chitosan, a salt, or solution of chitosan to water containing the submicron particulates and a halogenating agent, followed by adding a soluble, anionic polymer or anionic salt to the water. The resulting flocs are filtered to remove the submicron particulates.
    Type: Application
    Filed: February 15, 2006
    Publication date: September 7, 2006
    Inventors: Everett Nichols, Jeffrey Williams, James Scott, Christine Palczewski
  • Methods and articles for maintaining hydantoinylated polymers in a biocidally active state
    Publication number: 20050249694
    Abstract: A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that flows in contact with the chlorinated polystyrene hydantoin beads, resulting in treated water suitable for drinking.
    Type: Application
    Filed: July 12, 2005
    Publication date: November 10, 2005
    Applicant: Vanson Halosource, Inc.
    Inventors: Michael Bridges, Hiroyuki Kawai, Tay-Yuan Chen, Everett Nichols, Jeffrey Williams, Steven McClure, Jerry Wetherbee
  • Method for removing Cryptosporidium oocysts from water
    Publication number: 20050242043
    Abstract: A method for stabilizing and removing Cryptosporidium oocysts or Giardia cysts from water. The method comprises adding chitosan, a salt or solution of chitosan to water containing Cryptosporidium oocysts or Giardia cysts and a halogenating agent. The method may also include adding a secondary polyelectrolyte flocculant to the water. The resulting flocs are filtered to remove the Cryptosporidium oocysts or Giardia cysts.
    Type: Application
    Filed: April 30, 2004
    Publication date: November 3, 2005
    Inventors: Everett Nichols, Jeffrey Williams
  • Polysaccharide alcohol antiseptic gel
    Publication number: 20050182021
    Abstract: An alcohol-based composition for sanitizing surfaces has persistent sanitizing properties after evaporation of the alcohol. The composition includes a cationic polysaccharide, an organic acid, alcohol, and water. The cationic polysaccharide can be chitosan, cationic guar or cationic starch. The cationic polysaccharide can be complexed with a transition metal, such as zinc or copper, or with a chelating agent, such as pyrithione.
    Type: Application
    Filed: January 13, 2005
    Publication date: August 18, 2005
    Inventors: Everett Nichols, James Scott
  • Methods and articles for maintaining hydantoinylated polymers in a biocidally active state
    Publication number: 20050104034
    Abstract: A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that flows in contact with the chlorinated polystyrene hydantoin beads, resulting in treated water suitable for drinking.
    Type: Application
    Filed: September 27, 2004
    Publication date: May 19, 2005
    Applicant: Vanson Halosource, Inc.
    Inventors: Michael Bridges, Hiroyuki Kawai, Tay-Yuan Chen, Everett Nichols, Jeffrey Williams, Steven McClure, Jerry Wetherbee