Patents by Inventor Robert S. Tomaskovic

Robert S. Tomaskovic 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).

  • Secondary alkyl sulfate/zeolite-containing surfactant compositions
    Patent number: 5427717
    Abstract: This invention relates to solid secondary alkyl sulfate/zeolite-containing surface active compositions which are formed by crystallization and which contain at least about 80 percent by weight of secondary alkyl sulfate and zeolite. These compositions are substantially free of unreacted organic matter and water. The invention further relates to a process for preparing these solid secondary alkyl sulfate/zeolite-containing compositions.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: June 27, 1995
    Assignee: Shell Oil Company
    Inventors: David K. Schisla, Robert S. Tomaskovic, Eugene F. Lutz, Charles M. Arbore
  • Process for the preparation of secondary alkyl sulfate-containing surfactant compositions
    Patent number: 5349101
    Abstract: This invention relates to solid secondary alkyl sulfate-containing surface active compositions which are formed by crystallization and which contain at least about 80 percent by weight of secondary alkyl sulfate. These compositions are substantially free of unreacted organic matter and water. The invention further relates to a process for preparing these solid secondary alkyl sulfate-containing compositions.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: September 20, 1994
    Assignee: Shell Oil Company
    Inventors: Eugene F. Lutz, David K. Schisla, Robert S. Tomaskovic, Timothy D. Hoewing
  • Distillation separation process of titanium tetrachloride and halohydrocarbon
    Patent number: 5242549
    Abstract: An improved process for separation of valuable components of a waste stream resulting from production of an olefin polymerization procatalyst by the addition to the waste stream of a separation solvent of intermediate boiling point, subjecting the resulting mixture to a first distillation zone to separate the desired waste stream components from the upper portion of the zone and passing the bottoms product to a second distillation zone wherein separation solvent is recovered from the upper portion of the zone for recycle and passing the bottoms product to disposal or further processing.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: September 7, 1993
    Assignee: Shell Oil Company
    Inventors: Michael W. Potter, Stephen W. Cowan, Robert S. Tomaskovic