Patents by Inventor Peter David Hasling

Peter David Hasling 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).

  • Phosphonic acid polymers
    Patent number: 5980776
    Abstract: Phosphonic acid polymers are prepared from di- or polyphosphonic acids having one or more unsaturated C.dbd.C bonds (e.g. vinylidene-1,1-diphosphonic acid), either as homopolymers or as higher polymers with at least one further compound having unsaturated C.dbd.C bonds (e.g. acrylic acid). The polymers can be used as, or in connection with, flame-retardants, corrosion inhibitors, coatings, cements and ion exchange resins.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: November 9, 1999
    Assignee: Albright & Wilson UK Limited
    Inventors: Mohsen Zakikhani, David Robert Edward Walker, Peter David Hasling, Alan Craig Smith, Keith Philip Davis