Patents by Inventor Edward J. Tinely

Edward J. Tinely 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).

  • Removal of hydrogen sulphide
    Patent number: 4802973
    Abstract: Hydrogen sulphide is scavenged from a feedstock comprising crude oil and hydrogen sulphide by adding a compound of general formula: ##STR1## to the feedstock. X and Y are carbon or nitrogen atoms and the interatomic bond is triple or double as appropriate. Any two or more of R.sup.1 -R.sup.4 are organic groups containing electronegative functional groups. The remaining two or less of R.sup.1 -R.sup.4 are hydrocarbyl groups, hydrogen atoms or zero.Preferred scavengers include di-isopropylazo dicarboxylate and dimethylacetylene dicarboxylate.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: February 7, 1989
    Assignee: The British Petroleum Company p.l.c.
    Inventors: Philip K. G. Hodgson, Julie A. McShea, Edward J. Tinely