Patents by Inventor Klaus Kn orr

Klaus Kn orr 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).

  • Stabilised dithiophosphoric acid polysulphides
    Patent number: 5565599
    Abstract: Disclosed herein are stabilized dithiophosphoric acid polysulphides of the formula (I) ##STR1## in which R is a C.sub.1 -C.sub.20 alkyl, cycloalkyl, aryl or aralkyl residue andx is an integer from 2 to 15,containing as stabilizer 1 to 20 wt.% of a carboxylic acid of the general formula R'COOH, in which R' is a C.sub.1 -C.sub.20 alkyl residue, a cycloalkyl residue, an aryl residue or an aralkyl residue, and 1 to 20 wt.% of calcium oxide or zinc oxide.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: October 15, 1996
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Hans-Joachim Graf, Lothar Steger, Klaus Kn orr, Hartmut Schulz, Volker Sch afer, Thomas Scholl, R udiger Schubart, Manfred Schweiger