Patents by Inventor David T. Payne

David T. Payne 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).

  • Stable liquid compositions containing salts of 1,2-benzisothiazolin-3-one
    Patent number: 4188376
    Abstract: A composition of matter comprising a solution containing from 5 to 50% by weight of an alkali metal salt of crude 1,2-benzisothiazolin-3-one in a hydroxylic organic solvent selected from at least one of dipropylene glycol, tripropylene glycol, polypropylene glycols, polyethylene glycols, lower alkyl carbitols, methanol, ethanol and mixtures of at least one of these solvents and water. Biocidal compositions suitable for indirect food contact applications and in-can preservation of water-based paints in which they are non-yellowing.
    Type: Grant
    Filed: September 15, 1978
    Date of Patent: February 12, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: David T. Payne, Boris P. Brand