Patents by Inventor Thierry Laurent Cachet

Thierry Laurent Cachet 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: 5912221
    Abstract: The present invention relates to laundry detergent compositions which are suitable for use in inhibiting the re-deposition of fugitive dyes onto fabric during the course of the laundry process, said compositions comprising:a) 0.01% to 3% by weight, of a substantially water-insoluble polymeric dye transfer inhibiting agent, said agent consisting of a substantially water-insoluble cross linked polymer selected from the group consisting of polyamine N-oxide polymers; copolymers of N-vinylpyrrolidone and N-vinylimidazole; polyvinylpyrrolidones; polyvinyloxazolidones; polyvinylimidazoles; and mixtures thereof; wherein said agents have a particle size less than 50 microns;b) from 0.2% to 25% by weight of a surfactant system, said surfactant system comprising one or more detersive surfactants selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof; andc) the balance carriers and adjunct ingredients.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: June 15, 1999
    Assignee: Procter & Gamble Company
    Inventors: Petrus Johannes Van Leeuwen, Andre Christian Convents, Alfred Busch, Thierry Laurent Cachet, Conny Erna Alice Joos