Patents by Inventor John Frederic Carr

John Frederic Carr 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: 6465409
    Abstract: The invention concerns an aqueous biocide system comprising: at least one water-soluble or water-dispersible biocidal agent, and at least a polyorganosiloxane with water-soluble or water-dispersible functions. The invention also concerns the use of the system for disinfecting hard surfaces, or a method for disinfecting hard surfaces using the system, with controlled release of the biocide when contacted with an aqueous medium of a hard surface whereon the aqueous medium has been deposited and dried.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: October 15, 2002
    Assignee: Rhodia Chimie
    Inventors: John Frederic Carr, Gérard Mignani, Louis Vovelle, Brian Davis, Caroll Vergelati