Patents by Inventor Vanessa Louise Colclough

Vanessa Louise Colclough 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).

  • Patent number: 6303557
    Abstract: A cleaning and biocidal composition in liquid form comprising a solvent, a polymeric biguanide, a single quaternary ammonium salt, a sequestrant, and at least one surfactant. The composition comprising the solvent including water, the polymeric biguanide including a polyhexamethylene biguanide hydrochloride, the quaternary ammonium salt including a didecyldimethyl ammonium chloride, the sequestrant including an amino acid chelating agent selected from the group consisting of: ethylenediaminetetraacetic acid, nitrilotriacetic acid, tetrasodium ethylenediaminetetraacetic acid, or mixtures thereof, the surfactant including a non-ionic surfactant and an amphoteric surfactant.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: October 16, 2001
    Assignee: S. C. Johnson Commercial Markets, Inc.
    Inventor: Vanessa Louise Colclough