Patents by Inventor Jean-Claude Cosnard

Jean-Claude Cosnard 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 dry-cleaning or de-oiling by means of a perchloroethylene base composition
    Patent number: 4220448
    Abstract: Process for anti-redeposition of staining substances on textiles of natural, synthetic or artificial fibers or mixtures thereof in the course of operations of dry cleaning or de-oiling by means of suitably stabilized perchloroethylene comprising incorporating into the perchloroethylene a sufficient amount of at least one nitroalkane containing from 1 to 4 atoms, as an anti-redeposition additive.
    Type: Grant
    Filed: November 1, 1978
    Date of Patent: September 2, 1980
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Claude Cosnard, Pierre Sarafinof, Jean-Claude Vitat