Patents by Inventor Andre Stephan Hajnal

Andre Stephan 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).

  • Treated pulp and methods of making and using same
    Patent number: 11932990
    Abstract: Disclosed herein are treated pulp sheets comprising cellulose pulp fibers treated with a densifying agent and having a relatively low moisture content. In certain embodiments, the treated pulp sheets are used to produce fiberized pulp having an unexpectedly low knot content, while maintaining density and softness properties usually associated with similarly treated pulp that is fiberized at higher moisture content. Methods of making fiberized pulp from the treated pulp sheets, as well as products comprising the treated pulp sheets or fiberized pulp from the treated pulp sheets, are also provided.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: March 19, 2024
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventor: Andre Stephan Hajnal
  • TREATED PULP AND METHODS OF MAKING AND USING SAME
    Publication number: 20230250581
    Abstract: Disclosed herein are treated pulp sheets comprising cellulose pulp fibers treated with a densifying agent and having a relatively low moisture content. In certain embodiments, the treated pulp sheets are used to produce fiberized pulp having an unexpectedly low knot content, while maintaining density and softness properties usually associated with similarly treated pulp that is fiberized at higher moisture content. Methods of making fiberized pulp from the treated pulp sheets, as well as products comprising the treated pulp sheets or fiberized pulp from the treated pulp sheets, are also provided.
    Type: Application
    Filed: September 12, 2022
    Publication date: August 10, 2023
    Inventor: ANDRE STEPHAN HAJNAL
  • Treated pulp and methods of making and using same
    Patent number: 11473242
    Abstract: Treated pulp sheets comprising cellulose pulp fibers treated with a densifying agent and having a relatively low moisture content. In certain embodiments, the treated pulp sheets are used to produce fiberized pulp having low knot content, while maintaining density and softness properties usually associated with similarly treated pulp that is fiberized at higher moisture content. Methods of making fiberized pulp from the treated pulp sheets, as well as products comprising the treated pulp sheets or fiberized pulp from the treated pulp sheets, are also provided.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: October 18, 2022
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventor: Andre Stephan Hajnal
  • TREATED PULP AND METHODS OF MAKING AND USING SAME
    Publication number: 20200308766
    Abstract: Disclosed herein are treated pulp sheets comprising cellulose pulp fibers treated with a densifying agent and having a relatively low moisture content. In certain embodiments, the treated pulp sheets are used to produce fiberized pulp having an unexpectedly low knot content, while maintaining density and softness properties usually associated with similarly treated pulp that is fiberized at higher moisture content. Methods of making fiberized pulp from the treated pulp sheets, as well as products comprising the treated pulp sheets or fiberized pulp from the treated pulp sheets, are also provided.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Applicant: International Paper Company
    Inventor: Andre Stephan Hajnal