Patents by Inventor Roland Knieler

Roland Knieler 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).

  • Antimicrobial wound coverings
    Patent number: 6160196
    Abstract: Wound covering which is characterized in that it is made of a hydrophobic bacteria-adsorbing material which comprises an antimicrobial active compound which is not released into the wound. It is preferably made of a mixture of hydrophobic fibres and fibres comprising the antimicrobial active compound.
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: December 12, 2000
    Assignee: Beiersdorf AG
    Inventors: Roland Knieler, Axel von Wolff
  • Preparation for reducing the bond strength of adhesive tapes
    Patent number: 6136866
    Abstract: Preparation for reducing the bond strength of adhesive tapes, consisting of at least one penetrant and at least one bond strength-reducing active substance which is skin-compatible and may make an active contribution to skincare, where the bond strength-reducing active substance contains at least one hydrocarbon chain of the form (C.sub.n H.sub.m) where n is the number of carbon atoms in the chain and has a value of greater than 6, and where the adhesive-reducing [sic] active substance has a primary irritation index of less than 3, with particular preference 0.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: October 24, 2000
    Assignee: Beiersdorf AG
    Inventors: Peter Himmelsbach, Hanns Pietsch, Roland Knieler