Patents by Inventor Ricardo Altredo Bloch

Ricardo Altredo Bloch 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).

  • Automatic transmission fluids of improved viscometric properties
    Patent number: 5641732
    Abstract: This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 15,000 centipoise.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: June 24, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Ricardo Altredo Bloch, Christopher William Cornish, Raymond Frederick Watts