Patents by Inventor Maaike Jacobine Esther Van Roosmalen

Maaike Jacobine Esther Van Roosmalen 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).

  • Method and device for a de-acidifying paper
    Patent number: 8540848
    Abstract: For decades books and other paper documents have been deteriorating in archives and libraries around the world because the acidity of the paper is increasing so much (wherein the pH decreases) that the paper cellulose is decomposing so that the paper loses its cohesion and thereby degenerates in terms of quality. The invention relates to an improved method for de-acidifying paper. The invention also relates to a device for applying such a method.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: September 24, 2013
    Assignee: OmniAccess B.V.
    Inventors: Stephanus Gerardus Johannes Blankenborg, Maaike Jacobine Esther Van Roosmalen
  • METHOD AND DEVICE FOR A DE-ACIDIFYING PAPER
    Publication number: 20110091641
    Abstract: For decades books and other paper documents have been deteriorating in archives and libraries around the world because the acidity of the paper is increasing so much (wherein the pH decreases) that the paper cellulose is decomposing so that the paper loses its cohesion and thereby degenerates in terms of quality. The invention relates to an improved method for de-acidifying paper. The invention also relates to a device for applying such a method.
    Type: Application
    Filed: September 17, 2008
    Publication date: April 21, 2011
    Inventors: Stephanus Gerardus Johannes Blankenborg, Maaike Jacobine Esther Van Roosmalen