Patents by Inventor Feng-Jung Wu

Feng-Jung Wu 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 making methylcyclopentadienyl manganese tricarbonyl compounds
    Patent number: 4946975
    Abstract: Cyclopentadienyl manganese tricarbonyl compounds are made by reacting a mixture of 0.25-0.55 moles of manganese acetate and 0.45-0.55 moles of a bis-cyclopentadienyl manganese compound with about 0.5-2.1 moles of an alkyl aluminum compound (e.g. triethyl aluminum) in the presence of about 0.75-1.25 moles of an ether per mole of said alkyl aluminum compound and reacting the mixture with carbon monoxide at about 65.degree.-175.degree. C. and 300-1500 psig.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: August 7, 1990
    Assignee: Ethyl Corporation
    Inventors: Feng-Jung Wu, Bruce C. Berris, Donald R. Bell