Patents by Inventor Mohammad Shariff

Mohammad Shariff 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 purification of butane-1,4-diol
    Patent number: 6137016
    Abstract: The invention provides a process for the purification of a butane-1,4-diol feed containing a minor amount of the cyclic acetal, 2-(4'-hydroxybutoxy)-tetrahydrofuran, which comprises hydrogenating the butane-1,4-diol feed in a hydrogenation zone in the presence of a minor amount of water and a hydrogenation catalyst, and recovering from the hydrogenation zone a butane-1,4-diol product that has a reduced 2-(4'-hydroxybutoxy)-tetrahydrofuran content compared with the butane-1,4-diol feed.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: October 24, 2000
    Assignee: Kvaerner Process Technology Limited
    Inventors: Michael Anthony Wood, Paul Willett, Stephen William Colley, Mohammad Shariff