Patents by Inventor Maynard D. Manila

Maynard D. Manila 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).

  • Catalysts for maleic acid hydrogenation to 1,4-butanediol
    Patent number: 7935834
    Abstract: This invention relates to a process for catalytically hydrogenating a hydrogenatable precursor in contact with a hydrogen-containing gas and a hydrogenation catalyst comprising one or more active hydrogenation catalyst components on a support comprising titanium dioxide in the rutile crystalline phase to produce 1,4-butanediol and, optionally, gamma-butyrolactone and/or tetrahydrofuran.
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: May 3, 2011
    Assignee: ISP Investments Inc.
    Inventors: Alakananda Bhattacharyya, Maynard D. Manila