Patents by Inventor Roger Wayne Ogden

Roger Wayne Ogden 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).

  • Rehydration of once-dried fiber
    Patent number: 5925218
    Abstract: This invention relates to the rehydration of once-dried fiber for use in a papermaking furnish. Such a rehydration of this type, generally, employs temperature, pressure and refining to make the once-dried fiber behave more like a virgin fiber. Thus, higher levels of once-dried fiber can be used without sacrificing paper formation, surface smoothness, and productivity (drainage).
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: July 20, 1999
    Assignee: Westvaco Corporation
    Inventor: Roger Wayne Ogden
  • Lumen loading of hygienic end use paper fibers
    Patent number: 5759349
    Abstract: This invention relates to the application of an optically active dye or fluorecent whitening agent within a paper fiber such that the dye or whitening agent does not migrate out of the fiber at a level of toxicological concern. Such processes of this type, generally, allow the dye or whitening agent to be used in hygienic end use applications.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: June 2, 1998
    Assignee: Westvaco Corporation
    Inventors: James Joseph Foster, Roger Wayne Ogden