Patents by Inventor Muir Charles Robertson

Muir Charles Robertson 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).

  • Disposable absorbent articles with reduced occlusion tendency
    Patent number: 6709423
    Abstract: Disposable absorbent article such as a feminine hygiene pad, and adult incontinence article or a baby diaper having a minimised tendency for creating negative skin occlusion which might create over-hydration of the skin by exhibiting a low Breathability Value as impacted by the vapour permeability of backsheet materials and the respective areas as covered by such materials.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: March 23, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke
  • Disposable absorbent articles maintaining low vapor phase moisture content
    Patent number: 6686512
    Abstract: A disposable absorbent article sustaining low vapor phase moisture in the space as enclosed between and the wearer in use, such as can be evaluate by measuring relative humidity on a laboratory mannequin, such can be achieved by combining high performance, low rewet absorbent cores with breathable backsheet materials.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: February 3, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke, John Peter Lankhof, Ulrich Kleinsteuber
  • Disposable absorbent articles maintaining low vapour phase moisture content
    Publication number: 20030153885
    Abstract: A disposable absorbent article sustaining low vapour phase moisture in the space as enclosed between and the wearer in use, such as can be evaluate by measuring relative humidity on a laboratory mannequin, such can be achieved by combining high performance, low rewet absorbent cores with breathable backsheet materials.
    Type: Application
    Filed: March 7, 2003
    Publication date: August 14, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke, John Peter Lankhof, Ulrich Kleinsteuber
  • Disposable absorbent articles maintaining low vapor phase moisture content
    Patent number: 6573423
    Abstract: A disposable absorbent article substaining low vapor phase moisture in the space as enclosed between the article and the wearer in use, such as can be evaluated by measuring relative humidity on a laboratory mannequin, such can be achieved by combining high performance, low rewet absorbent comes with breathable backsheet materials.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: June 3, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke, John Peter Lankhof, Ulrich Kleinsteuber
  • Disposable absorbent articles with improved skin dryness performance and with improved core and chassis backsheet breathabilities
    Patent number: 6545196
    Abstract: A disposable absorbent article aiming at improved skin aeration by combining the benefits of an absorbent core providing good rewet performance and of using backsheet materials, which where covering the core area, provide vapor permeability, and which have even higher vapor permeability in the chassis region(s) surrounding the core region.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: April 8, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke
  • Method for assessing disposable absorbent articles
    Patent number: 6446495
    Abstract: The present invention provides a new method for assessing disposable absorbent articles with regard to their impact on skin aeration by measuring relative humidity values in a mannequin test set up.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: September 10, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Alexander Berk, Ulrich Kleinsteuber, Manfred Plischke
  • Disposable absorbent articles with improved skin dryness performance and with improved skin aeration
    Patent number: 6448467
    Abstract: A disposable absorbent article aiming at improved skin aeration by combining the benefits of an absorbent core providing good rewet performance and of using backsheet materials, which, where covering the core area, provide high vapour permeability.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: September 10, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke
  • Disposable absorbent articles with breathable fabric feel backsheet
    Patent number: 6429352
    Abstract: A disposable absorbent article aiming at improved skin aeration by combining the benefits of an absorbent core providing good rewet performance and of cloth-like backsheet materials, which provide high vapor permeability.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: August 6, 2002
    Assignee: The Procte
    Inventors: Mathias Kurt Herrlein, Muir Charles Robertson, Manfred Plischke
  • Disposable absorbent articles with controlled skin hydration effect
    Publication number: 20020087135
    Abstract: A disposable absorbent article covering certain parts of the body of the wearer and comprising a loading area, a storage area as well as chassis area, whereby the absorbent article has a specific Skin Hydration Value, calculated from the individual Skin Hydration values of the respective areas.
    Type: Application
    Filed: January 17, 2002
    Publication date: July 4, 2002
    Applicant: The Procter & Gamble Company
    Inventors: Mathais Kurt Herrlein, John Peter Lankhof, Muir Charles Robertson, Jose Dominguez-Staedke, Ivan Jean Olliver, Karl Michael Schumann
  • Disposable absorbent articles with controlled skin hydration effect
    Patent number: 6388166
    Abstract: This invention is a disposable absorbent article (20) covering certain parts of the body of the wearer and comprising a loading area, a storage area, as well as a chassis area, whereby the absorbent article has a specific skin hydration value, calculated from the individual skin hydration values of the respective areas.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: May 14, 2002
    Inventors: Mathais Kurt Herrlein, John Peter Lankhof, Muir Charles Robertson, Jose Dominguez-Staedke, Ivan Jean Olliver, Karl Michael Schumann
  • DISPOSABLE ABSORBENT ARTICLES WITH CONTROLLED SKIN HYDRATION EFFECT
    Publication number: 20020032423
    Abstract: This invention is a disposable absorbent article (20) covering certain parts of the body of the wearer and comprising a loading area, a storage area, as well as a chassis area, whereby the absorbent article has a specific skin hydration value, calculated from the individual skin hydration values of the respective areas.
    Type: Application
    Filed: September 29, 1998
    Publication date: March 14, 2002
    Inventors: MATHAIS KURT HERRLEIN, JOHN PETER LANKHOF, MUIR CHARLES ROBERTSON, JOSE DOMINGUEZ-STAEDKE, IVAN JEAN OLLIVER, KARL MICHAEL SCHUMANN