Patents by Inventor Peter Hilfenhaus

Peter Hilfenhaus 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).

  • Patent number: 9101682
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer which is substantially completely bonded to a second liquid-absorbing layer. The first layer comprises a coating of at least one antimicrobial metal as such on the side which is bonded to the second layer. Substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 11, 2015
    Assignee: BEIERSDORF AG
    Inventors: Peter Hilfenhaus, Heike Fleischhauer, Harald Buettner
  • Publication number: 20130195931
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer which is substantially completely bonded to a second liquid-absorbing layer. The first layer comprises a coating of at least one antimicrobial metal as such on the side which is bonded to the second layer. Substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite.
    Type: Application
    Filed: January 23, 2013
    Publication date: August 1, 2013
    Inventors: Peter HILFENHAUS, Heike JOHN, Harald BUETTNER
  • Patent number: 8383527
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer which is substantially completely bonded to a second liquid-absorbing layer. The first layer comprises a coating of at least one antimicrobial metal as such on the side which is bonded to the second layer. Substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: February 26, 2013
    Assignee: Beiersdorf AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Büttner
  • Publication number: 20090092788
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer which is substantially completely bonded to a second liquid-absorbing layer. The first layer comprises a coating of at least one antimicrobial metal as such on the side which is bonded to the second layer. Substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite.
    Type: Application
    Filed: September 23, 2008
    Publication date: April 9, 2009
    Applicant: Beiersdorf
    Inventors: Peter Hilfenhaus, Heike John, Harald Buttner
  • Patent number: 7270721
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer and a second layer arranged on the first layer. An antimicrobial metal in elemental form is present between the first and second layers and substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: September 18, 2007
    Assignee: Beiersdorf AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Buettner
  • Publication number: 20060154540
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer and a second layer arranged on the first layer. An antimicrobial metal in elemental form is present between the first and second layers and substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: December 22, 2005
    Publication date: July 13, 2006
    Applicant: BEIERSDORF AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Buettner
  • Publication number: 20060057369
    Abstract: A wound covering article comprises an antimicrobial composite which comprises a first, liquid-permeable layer and a second layer over the first layer, An antimicrobial metal in elemental form is present between the first and second layers. The article further comprises a backing material arranged on the second layer. This Abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: October 24, 2005
    Publication date: March 16, 2006
    Applicant: Beiersdorf AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Buttner
  • Publication number: 20060057914
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer and a second layer arranged on the first layer. An antimicrobial metal in elemental form is present between the first and second layers and substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: October 24, 2005
    Publication date: March 16, 2006
    Applicant: Beiersdorf AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Buttner
  • Publication number: 20040259445
    Abstract: An antimicrobial composite which comprises a first, liquid-permeable layer and a second layer arranged on the first layer. An antimicrobial metal in elemental form is present between the first and second layers and substantially no antimicrobial metal in elemental form is present on exterior surfaces of the composite. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
    Type: Application
    Filed: September 5, 2003
    Publication date: December 23, 2004
    Applicant: Beiersdorf AG
    Inventors: Peter Hilfenhaus, Heike John, Harald Buttner