Patents by Inventor LeAnn M. Rowe

LeAnn M. Rowe 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).

  • Process for sulfonating internal olefins
    Patent number: 5488148
    Abstract: A process for sulfonating internal olefins wherein a dilute solution of the internal olefins in an inert hydrocarbon solvent is sulfonated to produce a reaction mixture containing intermediate sulfonated compounds, the intermediate sulfonated compounds in the reaction mixture being neutralized under conditions to form neutralized sulfonated compounds, the neutralized sulfonated compounds in the reaction mixture being hydrolyzed to form a product mixture containing hydroxy alkane sulfonates and alkene sulfonates that are then recovered.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: January 30, 1996
    Assignee: Vista Chemical Company
    Inventors: Upali Weerasooriya, John Lin, K. Lee Matheson, Donald T. Robertson, Janet L. Watson, LeAnn M. Rowe