Patents by Inventor Edward L. Weist, Jr.

Edward L. Weist, Jr. 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).

  • Pressure swing adsorption process with multiple beds on purge and/or with ten beds and four pressure equalization steps
    Patent number: 6379431
    Abstract: A pressure swing adsorption process including an adsorption apparatus having a plurality of beds and counter-currently purging at least two of the beds simultaneously throughout the process. The number of beds and number of pressure equalization steps are not particularly limited, but a ten-bed, four pressure equalization step process in advantageous. In addition, other ten-bed, four pressure equalization step processes are disclosed which do not counter-currently purge at least two of the beds simultaneously, but which have an average of at least two of the ten beds being simultaneously regenerated by simultaneously providing off-gas from a feed end of each of the beds to an off-gas line.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: April 30, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Jianguo Xu, Edward L. Weist, Jr., David L. Rarig, James Michael Occhialini, Mark Robert Pillarella
  • Diesel fuel composition comprising dialkoxy alkanes for increased cetane number
    Patent number: 5858030
    Abstract: A diesel fuel composition is set forth for an increased cetane number vis-a-vis conventional diesel fuel compositions. The composition generally comprises one or more compounds selected from the dialkoxy alkane (DAAK) chemical family. In a preferred embodiment of the present invention, the diesel fuel composition consists of moderate amounts of dimethoxy propane (DMPP) and dimethoxy ethane (DMET) blended into a conventional diesel fuel.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: January 12, 1999
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Francis J. Waller, Edward L. Weist, Jr., Dennis M. Brown, Petrus J. A. Tijm