Patents by Inventor Roger Vincent

Roger Vincent 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).

  • High-shrinkage acrylic fibers and the process for their production
    Patent number: 4256684
    Abstract: Acrylic yarns and fibers having a high shrinkage power, ranging up to 50%, obtained by wet spinning, a stretching of 1.3 to 3 .times. in air, washing, a stretching of 1 to 2.5 .times. into boiling water, drying, steaming at 105.degree.-150.degree. C., over-stretching of 1.2 to 2 .times. at 90.degree.-100.degree. C.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: March 17, 1981
    Assignee: Rhone-Poulenc Textile
    Inventors: Georges Achard, Gilbert Anouilh, Pierre Chion, Roger Vincent