Patents by Inventor William Alois Weber

William Alois Weber 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).

  • Alkylaromatics production
    Patent number: 6936744
    Abstract: The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least partial liquid phase conditions and in the presence of a transalkylation catalyst to produce the monoalkylated aromatic compound, wherein the transalkylation catalyst comprises a mixture of at least two different crystalline molecular sieves, wherein each of said molecular sieves is selected from zeolite beta, zeolite Y, mordenite and a material having an X-ray diffraction pattern including d-spacing maxima at 12.4±0.25, 6.9±0.15, 3.57±0.07 and 3.42±0.07 Angstrom.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: August 30, 2005
    Assignee: ExxonMobil Chemical Patents, Inc.
    Inventors: Jane Chi Ya Cheng, Michael Alan Steckel, Charles Morris Smith, William Alois Weber, Stephen Harold Brown, Ajit Bhaskar Dandekar, Michael Alan Better