Patents by Inventor Benjamin Halmshaw

Benjamin Halmshaw 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).

  • Polymeric etheramines, their production and use
    Publication number: 20060142544
    Abstract: Polymeric etheramines (P) obtainable by reaction of (A) an oligohydroxycompound which is an oligohydroxyalkane of molecular weight ?92 and with x hydroxygroups, wherein x is a number in the range of 3 to 6, or a mixture of two or more thereof, or a mixture of one or more thereof with at least one alkanediol containing 2 to 4 carbon atoms, with (B) epichlorohydrin, in the ratio of more than two moles of (B) per mole of (A) and on average not more than 1.
    Type: Application
    Filed: January 15, 2004
    Publication date: June 29, 2006
    Inventors: John Farrar, Benjamin Halmshaw