Patents by Inventor Andre Hajnal

Andre Hajnal 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).

  • Sodium sulfate treated pulp
    Publication number: 20070107862
    Abstract: Cellulose pulp sheets treated with sodium sulfate can be fiberized to produce sodium sulfate treated fibers that exhibit desirable densification properties. The sodium sulfate treated fibers densify to a greater degree than fibers that have not been treated with sodium sulfate.
    Type: Application
    Filed: January 5, 2007
    Publication date: May 17, 2007
    Applicant: Weyerhaeuser Co.
    Inventors: Hugh West, Andre Hajnal
  • Fluted composite and related absorbent articles
    Publication number: 20060081348
    Abstract: An absorbent composite that includes a fibrous matrix having absorbent material dispersed in bands along the composite's length is disclosed. The bands define liquid distribution zones. On liquid contact, absorbent material swelling occurs and produces a wetted composite having flutes that include swollen absorbent material separated by distribution zones, regions of the composite that are substantially free of absorbent material. Absorbent articles that include the composite are also disclosed.
    Type: Application
    Filed: March 17, 2005
    Publication date: April 20, 2006
    Inventors: Peter Graef, Clifford Bolstad, Fred Howard, David Unrau, David Marsh, Charles Miller, Andre Hajnal
  • Sodium sulfate treated pulp
    Publication number: 20050178518
    Abstract: Cellulose pulp sheets treated with sodium sulfate can be fiberized to produce sodium sulfate treated fibers that exhibit desirable densification properties. The sodium sulfate treated fibers densify to a greater degree than fibers that have not been treated with sodium sulfate.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 18, 2005
    Inventors: Hugh West, Andre Hajnal