Patents by Inventor Mark C. Luce

Mark C. Luce 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).

  • Recovery of hydrocarbons from acid sludge
    Patent number: 5049256
    Abstract: Hydrocarbons are recovered from acid sludge by mixing the sludge with methyl ethyl ketone and base. A hydrocarbon-rich methyl ethyl ketone stream and a solids-containing stream are separated from the mixture, and a hydrocarbon stream is separated from the hydrocarbon-rich methyl ethyl ketone stream.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: September 17, 1991
    Assignee: Chevron Research and Technology Company
    Inventor: Mark C. Luce
  • Composition for removing sulfides from industrial gas
    Patent number: 4647397
    Abstract: Process and composition for removing H.sub.2 S and like sulfides from gas streams by contact with a substituted aromatic nitrile having an electron-attracting substituent on the aromatic ring at least as strong as halogen (e.g., isophthalonitrile) and an organic tertiary amine in an inert organic solvent such as N-methyl-2-pyrrolidone.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: March 3, 1987
    Assignee: Chevron Research Company
    Inventors: Robert Starkston, Mark C. Luce, Robert V. Homsy
  • Method for removing sulfides from industrial gas
    Patent number: 4539189
    Abstract: Process and composition for removing H.sub.2 S and like sulfides from gas streams by contact with a substituted aromatic nitrile having an electron-attracting substituent on the aromatic ring at least as strong as halogen (e.g., isophthalonitrile) and an organic tertiary amine in an inert organic solvent such as N-methyl-2-pyrrolidone.
    Type: Grant
    Filed: January 23, 1984
    Date of Patent: September 3, 1985
    Assignee: Chevron Research Company
    Inventors: Robert Starkston, Mark C. Luce, Robert V. Homsy