Patents Assigned to Puritek, Inc.
  • Liquid purification apparatus
    Patent number: 8734644
    Abstract: A portable apparatus for decontaminating water, having an iodine release section in which iodine, often from a charged nylon iodophor, is released into the water, followed by an iodine recapture section in which a nylon polymer removes iodine from the water by forming an iodophor with it.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: May 27, 2014
    Assignee: Puritek, Inc.
    Inventors: Ronald Walter Krumm, John Henry Abel, Gary Ellsworth McQuay
  • Process for decontaminating a fluid
    Patent number: 7517537
    Abstract: A process for decontaminating water, comprising contacting the water with iodine, contacting the solution with a nylon polymer selected from the group consisting of nylon-6, nylon-4,6 and nylon-6,6, and then separating the so-formed iodophor from the solution.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: April 14, 2009
    Assignee: Puritek Inc.
    Inventor: Kathy L. Gottlund
  • Iodophor compositions
    Patent number: 6565866
    Abstract: A class of water insoluble iodophors comprising complexes of iodine with various nylons such as nylon-4,6, nylon-6, nylon-6,6 or other polyamides is disclosed. These nylons complexed with iodine can be made in various forms such as powders, pellets, molded objects, granules, films, monofilaments, and either non-woven or woven fabrics. These nylon based iodophors and other water insoluble iodophors herein disclosed can find product applications in the fields of air treatment, water treatment, public hygiene and medicine.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: May 20, 2003
    Assignee: Puritek, Inc.
    Inventors: Kathy L. Gottlund, Arthur G. Barnes
  • Iodophor compositions
    Patent number: 6312705
    Abstract: A class of water insoluble iodophors comprising complexes of iodine with various nylons such as nylon-4,6, nylon-6, nylon-6,6 or other polyamides is disclosed. These nylons complexed with iodine can be made in various forms such as powders, pellets, molded objects, granules, films, monofilaments, and either non-woven or woven fabrics. These nylon based iodophors and other water insoluble iodophors herein disclosed can find product applications in the fields of air treatment, water treatment, public hygiene and medicine.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: November 6, 2001
    Assignee: Puritek, Inc.
    Inventors: Kathy L. Gottlund, Arthur G. Barnes
  • Polymerization of caprolactam with certain quaternary ammonium compounds
    Patent number: 5859178
    Abstract: A process for the polymerization of caprolactam to nylon-6 polymer, comprising the use of a polymerization accelerator having the structural formula ##STR1## wherein R.sup.1, R.sub.2, R.sub.3 and R.sub.4 are alkyl, aryl and aralkyl radicals and mixtures thereof, and X is a halogen ion other than iodide and the temperature of said polymerization process is carried out at between about room temperature and about 115.degree. C.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: January 12, 1999
    Assignee: Puritek, Inc
    Inventors: Arthur G. Barnes, Kathy L. Gottlund