Patents by Inventor Cynthia M. Ward

Cynthia M. Ward 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).

  • Process for incorporating biocides into a liquid dispersion
    Patent number: 5929132
    Abstract: This invention relates to a process improvement for preparing a storage-stable dispersion of a biocide which comprises the steps of: (a) dispersing a solid biocide and a carrier to form a biocide concentrate, (b) heating said biocide concentrate to an elevated temperature to provide a storage stable mixture of biocide, resin and carrier, and (c) cooling said mixture under continuous stirring to provide a homogeneous, storage-stable liquid dispersion. Also claimed is the storage-stable product produced by this process.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: July 27, 1999
    Assignee: Arch Chemicals, Inc.
    Inventors: Rahim Hani, Cynthia M. Ward