Patents by Inventor Horst Muller, deceased

Horst Muller, deceased 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).

  • Stabilization of chlorine-containing thermoplastics with nitrogen-containing organic compounds
    Patent number: 4642322
    Abstract: Chlorine-containing thermoplastics containing, as the stabilizer, at least one compound of the formula I ##STR1## wherein m is the number 0, 1 or 2, n is the number 1, 2 or 3, P is the number 1 or 2, Hal is --F, --Cl, --Br or --I, X is --NH.sub.2, --NHCH.sub.3, --NH--NH.sub.2, --OCH.sub.3, --OC.sub.2 H.sub.5, --CH.sub.3 or --C.sub.2 H.sub.5, Y is --CO-- and R is as defined in claim 1, are described. A process for the preparation of (substituted) anthranilic acid amides is also described.
    Type: Grant
    Filed: January 2, 1986
    Date of Patent: February 10, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Horst Muller, deceased, Rainer Schneider