Patents by Inventor Norma Jean Maraschin

Norma Jean Maraschin 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).

  • Cyclopentadienyl chromium oxides
    Patent number: 4115425
    Abstract: Cyclopentadienyl chromium alkyl/aryl oxides and siloxides have been synthesized which when deposited on silica and treated with a silane show catalytic activity in the polymerization of ethylene. These chromium compounds also can be used for scavenging oxygen and volatile sulfur compounds from various liquid and gaseous streams.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: September 19, 1978
    Assignee: Union Carbide Corporation
    Inventors: Frederick John Karol, Chisung Wu, Walter Thomas Reichle, Norma Jean Maraschin