Patents by Inventor Ken Tadano

Ken Tadano 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).

  • Preparation of alcohol-containing gasoline
    Patent number: 6258987
    Abstract: A process for controlling the composition of a subgrade gasoline so that the subgrade will yield an alcohol-containing gasoline which precisely meets desired specifications when mixed with the desired amount of alcohol. The process involves blending a plurality of blendstocks to produce a subgrade, withdrawing a sample of the subgrade, mixing it with a known amount of alcohol, analyzing the properties of the resulting mixture, and using the analysis results to control and optimize the blending process.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: July 10, 2001
    Assignee: BP Amoco Corporation
    Inventors: Gerald K. Schmidt, Ken Tadano
  • Oxygen-free aromatic alkylation process
    Patent number: 5300722
    Abstract: In an aromatic alkylation process, an aromatic hydrocarbon is contacted with an alkylating agent in a reactor vessel in the absence of oxygen in the presence of a silica-containing molecular sieve catalyst under liquid phase alkylation conditions to recover an alkyl-substituted aromatic product from said reactor vessel.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: April 5, 1994
    Assignee: Amoco Corporation
    Inventors: Edward F. Steigelmann, Maribeth B. Amundsen, Ken Tadano, Allen I. Feinstein