Patents by Inventor David J. Tyrell

David J. Tyrell 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).

  • Publication number: 20180207313
    Abstract: An extruded water-soluble article is made from homogeneous material that includes a water-soluble polymer having an extrusion temperature of 50 to 150° C. This relatively low extrusion temperature is compatible with actives that would otherwise be destroyed in a high temperature extrusion process. The article further includes between 0.1% to 50% by weight of an active agent.
    Type: Application
    Filed: April 1, 2015
    Publication date: July 26, 2018
    Inventors: Shiming Zhuang, Rebecca Ann Vongsa, Peiguang Zhou, Andrew Mark Long, David William Koenig, David J. Tyrell, Paige N. Anunson
  • Publication number: 20160263272
    Abstract: An extruded water-soluble article made is from a homogeneous material that includes a water-soluble polymer having an extrusion temperature of 50 to 150° C. The article further includes between 0.1% to 50% by weight of an active agent. Potential active agents include, isothiazolone, alkyl dimethyl ammonium chloride, a triazine, 2-thiocyanomethylthio benzothiazol, methylene bis thiocyanate, acrolein, dodecylguanidine hydrochloride, a chlorophenol, a quaternary ammonium salt, gluteraldehyde, a dithiocarbamate, 2-mercatobenzothiazole, para-chloro-meta-xylenol, silver based compounds, chlorohexidine, polyhexamthylene biguanide, a n-halamine, triclosan, a phospholipid, an alpha hydroxyl acid, 2,2-dibromo-3-nitrilopropionamide, 2-bromo-2-nitro-1,3-propanediol, farnesol, iodine, bromine, hydrogen peroxide, chlorine dioxide, ozone, a botanical oil, a botanical extract, benzalkonium chloride, chlorine, sodium hypochlorite, and combinations thereof.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 15, 2016
    Inventors: Shiming Zhuang, Rebecca Ann Vongsa, Peiguang Zhou, Andrew Mark Long, David William Koenig, David J. Tyrell