Patents by Inventor Philip E. Flecher, Jr.

Philip E. Flecher, 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).

  • Hydrocarbon analysis and control by raman spectroscopy
    Patent number: 5684580
    Abstract: Benzene and substituted aromatic hydrocarbons can be predicted within .+-.0.31% vol or better, using Raman NIR spectroscopy and multivariate analysis, with optional fiberoptics multistreaming, preferably with Partial Least Squares regression analysis. The resulting signal can be used to control concentration of such compounds in product to desired levels.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: November 4, 1997
    Assignee: Ashland Inc.
    Inventors: John B. Cooper, Philip E. Flecher, Jr., William T. Welch