Patents by Inventor Sharon M. Beshouri

Sharon M. Beshouri 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).

  • Carbonylation process
    Patent number: 5631400
    Abstract: A process is provided for carbonylation of ethylenic unsaturation comprising the steps of: providing a catalyst system comprising a) a Group VIII metal compound, b) an organic phosphine, and c) and acid; and contacting acetylene, the catalyst system, carbon monoxide, hydrogen, and a nucleophilic compound under conditions effective to carbonylate the acetylene. The presents of hydrogen unexpectedly improves the yield of the desired product (i.e., acrylic acid or the ester thereof).
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: May 20, 1997
    Assignee: Shell Oil Company
    Inventors: Sharon M. Beshouri, Tonya L. Garcia
  • Process to prepare low density porous crosslinked polymeric materials
    Patent number: 5362762
    Abstract: Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and initiators, useful in preparing low density porous crosslinked polymeric foams, are obtained by using a surfactant system containing (a) one or more sorbitan fatty acid ester or saccharide fatty acid ester and (b) a glycerol monofatty acid ester. A higher water to oil ratio water-in-oil emulsions can be formed with the same formulation by using the glycerol monofatty acid ester cosurfactant.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: November 8, 1994
    Assignee: Shell Oil Company
    Inventor: Sharon M. Beshouri
  • Polymerization of .beta.-lactones under rim conditions
    Patent number: 5349046
    Abstract: A method is disclosed for making a molded article of manufacture of polymerized .beta.-lactone which method involves injecting into a mold at least one .beta.-lactone monomer and at least one nucleophilic initiator, substantially polymerizing the .beta.-lactone in the mold and removing the resultant polymerized article from the mold.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: September 20, 1994
    Assignee: Shell Oil Company
    Inventors: Sharon M. Beshouri, Pui K. Wong, Dale L. Handlin, Jr.
  • Process to prepare low density porous crosslinked polymeric materials
    Patent number: 5334621
    Abstract: Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and initiators, useful in preparing low density porous crosslinked polymeric foams, are obtained by using a surfactant system containing (a) one or more sorbitan fatty acid ester or saccharide fatty acid ester and (b) a glycerol monofatty acid ester. A higher water to oil ratio water-in-oil emulsions can be formed with the same formulation by using the glycerol monofatty acid ester cosurfactant.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: August 2, 1994
    Assignee: Shell Oil Company
    Inventor: Sharon M. Beshouri
  • Sorbitan ester purification process
    Patent number: 5306831
    Abstract: Polyol impurities in a sorbitan ester mixture is removed by treating a polyol-containing sorbitan ester dissolved in a solution containing a hydrocarbon and a polar organic solvent with an aqueous metal halide salt solution.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: April 26, 1994
    Assignee: Shell Oil Company
    Inventors: Sharon M. Beshouri, Robert P. Adamski
  • Process for preparing low density porous crosslinked polymeric materials
    Patent number: 5200433
    Abstract: The present disclosure is directed to using a blend of sorbitan esters as a surfactant to produce a stable water-in-oil high internal phase emulsion in the preparation of a low density porous crosslinked polymeric material. This process produces low density, high capacity, porous, crosslinked, polymeric materials with improved absorption capacity and foam properties.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: April 6, 1993
    Assignee: Shell Oil Company
    Inventor: Sharon M. Beshouri