Patents by Inventor Walter Spaleck

Walter Spaleck 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 homo- and copolymerization of ethylene
    Patent number: 4590247
    Abstract: The homo- or copolymerization of ethylene at temperatures of 150.degree. C. to 350.degree. C. and pressures of 300 to 3500 bar is carried out in the presence of catalysts having an organometallic compound of a metal of Group III of the Periodic Table of the Elements and a titanium compound. The titanium compound is the reaction product of (a) a titanic acid ester and (b) the product of the reaction of a magnesium alcoholate and a halogen-containing aluminum alkyl compound.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: May 20, 1986
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventors: Hermann Morguet, John Hobes, Walter Spaleck, Wolfgang Payer