Patents Assigned to Mobile Companies, Inc.
  • Patent number: 4539761
    Abstract: A method of using spent silica-alumina catalyst previously used in a fluid-bed type catalytic cracking process by contacting a volume of particles of the spent catalyst with a liquid and allowing the spent catalyst particles to absorb at least a portion of the liquid. The method is particularly useful in the removal of hazardous liquid spills.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: September 10, 1985
    Assignee: Mobile Companies Inc.
    Inventor: Robert Habermehl
  • Patent number: 4491484
    Abstract: A cryogenic liquid is used to directly or indirectly cool solid or liquid contaminants adhering to apparatus surfaces to effect a change in the physical characteristics of the contaminants and thereby render them more susceptible to removal operations.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: January 1, 1985
    Assignee: Mobile Companies, Inc.
    Inventor: Roger F. Williams
  • Patent number: 4409034
    Abstract: A cryogenic liquid is used to directly or indirectly cool solid or liquid contaminants adhering to apparatus surfaces to effect a change in the physical characteristics of the contaminants and thereby render them more susceptible to removal operations.
    Type: Grant
    Filed: November 24, 1981
    Date of Patent: October 11, 1983
    Assignee: Mobile Companies, Inc.
    Inventor: Roger F. Williams