Patents by Inventor Alexander John Kolombos

Alexander John Kolombos 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).

  • Olefins production
    Patent number: 4111793
    Abstract: This invention relates to a method of producing olefins from a wax distillate feed by cracking the feed in the presence of steam at a catalyst temperature of between 650.degree. and 900.degree. C over a manganese catalyst.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: September 5, 1978
    Assignee: The British Petroleum Company Limited
    Inventors: Alexander John Kolombos, Donald McNeice, Dennis Charles Wood
  • Oligomerization process
    Patent number: 4112011
    Abstract: A process for producing unsaturated hydrocarbons by oligomerizing a C.sub.3 -C.sub.8 monoolefin in the presence of a gallium catalyst deposited on a support.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: September 5, 1978
    Assignee: The British Petroleum Company Limited
    Inventor: Alexander John Kolombos
  • Olefins production by steam cracking over manganese catalyst
    Patent number: 4087350
    Abstract: This invention relates to a process for producing olefins by cracking atmospheric/vacuum residue boiling above 500.degree. C in the presence of steam over a fluidized manganese catalyst.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: May 2, 1978
    Assignee: The British Petroleum Company Limited
    Inventors: Alexander John Kolombos, Donald McNeice, Dennis Charles Wood
  • Chemical process over gallium catalyst converting saturated hydrocarbons to olefins
    Patent number: 4056576
    Abstract: This invention relates to a process for producing unsaturated hydrocarbons by dehydrogenating saturated hydrocarbons in the presence of a gallium catalyst.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: November 1, 1977
    Assignee: The British Petroleum Company Limited
    Inventors: Reginald Gregory, Alexander John Kolombos
  • Chemical process making aromatic hydrocarbons over gallium catalyst
    Patent number: 4056575
    Abstract: This invention relates to a process for aromatizing unsaturated hydrocarbons in the presence of a supported gallium catalyst. Xylenes may be prepared from C.sub.4 feedstock by this route.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: November 1, 1977
    Assignee: The British Petroleum Company Limited
    Inventors: Reginald Gregory, Alexander John Kolombos