Patents by Inventor Kurt Rauer

Kurt Rauer 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).

  • Crosslinking of styrene polymers
    Patent number: 4683248
    Abstract: Optionally nucleo-substituted styrene polymers are crosslinked at temperatures above 110.degree. C. with combinations of crosslinkage promoters containing at least two polymerizable C--C double or C--C triple bonds in the molecule, and organic peroxides (with the exception of hydroperoxides, peracids, and ketone peroxides) having a 10 hour halflife temperature below 106.degree. C.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: July 28, 1987
    Assignee: Luperox GmbH
    Inventors: Kurt Rauer, Angelika Orner
  • Process for crosslinking and, if desired, foaming natural or synthetic homo- and/or copolymers
    Patent number: 4460748
    Abstract: A process is provided for crosslinking, foaming, or both of polymers at temperatures above 150.degree. C. using at least one azo ester and/or azo ether in combination with at least one crosslinking intensifier having at least two reactive carbon-carbon double or triple bonds.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: July 17, 1984
    Assignee: Luperox GmbH
    Inventor: Kurt Rauer
  • Crosslinking of polymers with azo-esters
    Patent number: 4129531
    Abstract: A method is provided for crosslinking polymers at temperatures above 170.degree. C using azo-esters having the formula ##STR1## wherein R.sup.3 is --OOC--R, alkyl, cycloalkyl or aralkyl.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: December 12, 1978
    Assignee: Pennwalt Corporation
    Inventors: Kurt Rauer, Harald Hofmann, Heidelinde Schiller, Chester S. Sheppard