Patents by Inventor Alphonsus Morcus

Alphonsus Morcus 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).

  • Lubricating base oil compositions
    Patent number: 4385984
    Abstract: Lubricating base oil compositions having improved stability comprise a major amount of a base oil which has been prepared from a vacuum distillate (VD) or deasphalted oil (DAO) by severe hydrotreating optionally in combination with solvent refining, and a minor amount of an oil which has been prepared from a VD or DAO by a combination of mild hydrotreating and solvent refining.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: May 31, 1983
    Assignee: Shell Oil Company
    Inventors: Henricus M. J. Bijwaard, Alphonsus Morcus