Patents by Inventor Robert Otto Rau

Robert Otto Rau 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).

  • Controlling degree of reaction by controlling heat input in cellulose textile-reactant systems
    Patent number: 4032992
    Abstract: The method of treating a textile fabric comprising cellulosic fibers to produce a modified fabric intermediate from which permanently shaped wearing apparel having an improved dry crease recovery can be made, comprising the steps of: (1) impregnating the material with a cellulose cross-linking reagent selected from the groups consisting of: (a) reaction products of formaldehyde with carboxamides wherein said reaction products contain 2 or 3 N-methylol groups and methyl ethers thereof; (b) compounds having the following generic formula:R.sub.1 OCH.sub.2 CH.sub.2 SO.sub.2 (QSO.sub.2).sub.n CH.sub.2 CH.sub.2 OR.sub.2where R.sub.1 and R.sub.
    Type: Grant
    Filed: October 17, 1969
    Date of Patent: July 5, 1977
    Assignee: J. P. Stevens & Co., Inc.
    Inventors: Ildo Emil Pensa, Robert Otto Rau