Patents by Inventor Francis Rene Daniel Manier

Francis Rene Daniel Manier 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).

  • Spin dyeing of acrylic fibres
    Patent number: 4100131
    Abstract: The present invention provides a process for the spin dyeing of acrylic fibre obtained by spinning a collodion of a homopolymer or copolymer of acrylonitrile, in which the coloring agent comprises at least one nitrate of a cationic dyestuff; it also provides textile fibres based on a homopolymer or copolymer of acrylonitrile which have been dyed in accordance with such a process.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: July 11, 1978
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Francis Rene Daniel Manier, Pierre Leon Adolphe Caullet