Patents by Inventor Stephen Bruce Milne

Stephen Bruce Milne 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).

  • Ethylene oxide catalyst
    Patent number: 5958824
    Abstract: A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, and a lanthanide component, the catalyst being essentially free of rhenium and transition metal components; optionally the catalyst contains a fluorine component.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: September 28, 1999
    Assignee: Scientific Design Co., Inc.
    Inventors: Nabil Rizkalla, Rita Klein, Stephen Bruce Milne
  • Ethylene oxide catalyst
    Patent number: 5945551
    Abstract: A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, a germanium or tin component, and a fluorine component the catalyst being essentially free of rhenium and transition metal compounds.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: August 31, 1999
    Assignee: Scientific Design Company, Inc.
    Inventors: Nabil Rizkalla, Rita Klein, Stephen Bruce Milne
  • Ethylene oxide catalyst
    Patent number: 5905053
    Abstract: A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, a fluorine component, and a pnictogen component from the group phosphorus, bismuth and antimony; the catalyst is essentially free of rhenium and transition metal components.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: May 18, 1999
    Assignee: Scientific Design Company, Inc.
    Inventors: Nabil Rizkalla, Rita Klein, Stephen Bruce Milne
  • Ethylene oxide catalyst
    Patent number: 5854167
    Abstract: A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, a germanium or tin component, and a fluorine component the catalyst being essentially free of rhenium and transition metal compounds.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: December 29, 1998
    Assignee: Scientific Design Company, Inc.
    Inventors: Nabil Rizkalla, Rita Klein, Stephen Bruce Milne