Patents by Inventor Clemens Schudok

Clemens Schudok 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).

  • Process for the production of dithiophosphoric acid polysulfide mixtures
    Patent number: 6761832
    Abstract: This invention relates to a process for the production of dithiophosphoric acid poly-sulfide mixtures, which is characterized in that dithiophosphoric acid disulfides are reacted with sulfur at elevated temperatures. The dithiophosphoric acid polysulfide mixtures produced using the process according to the present invention are used as sulfur donors for the vulcanization of natural and synthetic rubbers and in the latex vulcanization of natural and synthetic rubber latex.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: July 13, 2004
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Ludger Heiliger, Alfred Pauli, Joachim Hegmann, Clemens Schudok, Thomas Früh
  • Poly [2,5-bis(polysulphano)-1,3,4-thiadiazoles]
    Patent number: 5563240
    Abstract: Poly[2,5-bis(polysulphano)-1,3,4-thiadiazoles] of the formula ##STR1## wherein X signifies a number from 1 to 10 andn signifies a number from 2 to 1,000.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: October 8, 1996
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Hans-Joachim Graf, Volker Sch afer, Kurt Schilling, Clemens Schudok
  • Polyurethane catalysts
    Patent number: 5155248
    Abstract: Reaction products of dibutyl tin oxide with selected aromatic aminocarboxylic acids, a process for their preparation and their use as catalysts for the preparation of polyurethanes.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: October 13, 1992
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Volker Ullrich, Clemens Schudok