Patents by Inventor Kenwyn M. Leger

Kenwyn M. Leger 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).

  • Production of alkylaromatic compounds
    Patent number: 9187384
    Abstract: This invention is directed to an improvement in the process for the production of alkylaromatic compounds that results in lower levels of residual unreacted materials in the final product. This invention comprises: 1) alkylation of an aromatic compound with an alkylating agent and a catalyst to produce an effluent stream comprising an alkylaromatic compound and unreacted materials; 2) heating the effluent stream; 3) stripping the effluent stream in a stripping device in the presence of steam; 4) separating a stripping stream from the stripping device, the stripping stream rich in unreacted materials; and 5) separating a product stream from the stripping device, the product stream rich in alkylated aromatic compound.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: November 17, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Beth A. Winsett, James I. Arnett, II, Kenwyn M. Leger, Brady A. Compton
  • Production of Alkylaromatic Compounds
    Publication number: 20130150608
    Abstract: This invention is directed to an improvement in the process for the production of alkylaromatic compounds that results in lower levels of residual unreacted materials in the final product. This invention comprises: 1) alkylation of an aromatic compound with an alkylating agent and a catalyst to produce an effluent stream comprising an alkylaromatic compound and unreacted materials; 2) heating the effluent stream; 3) stripping the effluent stream in a stripping device in the presence of steam; 4) separating a stripping stream from the stripping device, the stripping stream rich in unreacted materials; and 5) separating a product stream from the stripping device, the product stream rich in alkylated aromatic compound.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 13, 2013
    Inventors: Beth A. Winsett, James I. Arnett, II, Kenwyn M. Leger, Brady A. Compton