Patents by Inventor Pierre Isoard

Pierre Isoard 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 the bacterial decontamination of textiles comprising uncomplexed calcium
    Patent number: 4783194
    Abstract: A process for decontaminating textiles contaminated by bacteria comprising washing said textiles with a detergent composition free of any peroxide bleaching agent, and then treating said textiles with a peroxide bleaching agent in an aqueous bath at a pH of between about 9 and 13, at a temperature of between about 40.degree. to 70.degree. C., in the presence of calcium, for a time sufficient to decontaminate said textiles; said calcium rendered soluble and uncomplexed and being present in an amount between about 0.001 to 1% by weight based on the weight of the bath with the source of calcium being selected from calcium oxide, calcium hydroxide, or a calcium salt whose anion is inert with respect to the peroxide bleaching agent and whose dissociation constant is above about 0.01.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: November 8, 1988
    Assignee: Atochem
    Inventors: Yann Dugenet, Pierre Isoard, Jean-Claude Kerleaux