Patents by Inventor Michael Gerald Romanelli

Michael Gerald Romanelli 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).

  • Sulfurized olefin composition and its method of preparation
    Patent number: 5849677
    Abstract: This invention concerns a process for preparing a sulfurized olefin containing reduced amounts of thiones using a low molecular weight hydrocarbon to precipitate the thiones from the sulfurized olefin.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: December 15, 1998
    Assignee: Exxon Chemical Patents Inc
    Inventor: Michael Gerald Romanelli
  • Low molecular weight basic nitrogen-containing reaction products as enhanced phosphorus/boron carriers in lubrication oils
    Patent number: 5811377
    Abstract: An oil-soluble reaction product of phosphorus-, low molecular weight basic nitrogen-, and optional boron-containing compounds is provided. This reaction product can solubilize significantly more phosphorus and boron per weight of compound than other known compounds and is used as an antiwear, antioxidant, and extreme pressure additive in lubrication oils.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: September 22, 1998
    Assignee: Exxon Chemical Patents Inc
    Inventors: Raymond Frederick Watts, Michael Gerald Romanelli, Ricardo Alfredo Bloch, Maryann Devine, Jack Ryer
  • Oil soluble complexes of phosphorus-containing acids useful as lubricating oil additives
    Patent number: 5773392
    Abstract: This invention provides an oil-soluble complex of an oil-insoluble phosphorus-containing acid and an alcohol. This complex is a useful antiwear additive in lubricating oils, particularly automatic transmission fluids.
    Type: Grant
    Filed: September 18, 1996
    Date of Patent: June 30, 1998
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Michael Gerald Romanelli, Ricardo Alfredo Bloch, Jack Ryer, Raymond Frederick Watts