Patents Assigned to Biofrontera Bioscience GmbH
  • Patent number: 12280146
    Abstract: The present invention relates to oil in water nanoemulsions which are essentially free of propylene glycol. The nanovesicle formulations are particularly stable in regard to shelf life at different storage temperatures.
    Type: Grant
    Filed: December 8, 2023
    Date of Patent: April 22, 2025
    Assignee: Biofrontera Bioscience GmbH
    Inventors: Montserrat Foguet, Lars Möllmann
  • Patent number: 11642411
    Abstract: The present invention relates to a composition comprising a photosensitizer use in prevention or treatment of dermatological disease in a patient, wherein the composition is used in the following order of steps: (a) topical application or subcutaneous injection of said composition to an area of the skin of said patient, (b) exposure of at least said area of the skin to light with a wavelength spectrum similar or identical to sun light for a duration of 30 min to 5 hours, and (c) exposure of at least said area of the skin to light of a wavelength spectrum comprising only one maximum in the absorbance spectrum of said photosensitizer as well as to methods of treating dermatological disease using the outlined steps and kits of parts comprising such compositions and light sources suitable to apply the respectively indicated light.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: May 9, 2023
    Assignee: BIOFRONTERA BIOSCIENCE GMBH
    Inventor: Hermann Lübbert
  • Patent number: 11540981
    Abstract: The present invention relates to a nanoemulsion comprising at least one aqueous component and a carrier, wherein the carrier comprises at least one lipophilic component, at least one surfactant and at least one alcohol. The present invention further relates to a composition comprising said nanoemulsion and an active agent. In particular, the composition is present as a gel and the active agent is 5-aminolevulinic acid, a derivative, precursor and/or metabolite thereof. The invention further relates to the preparation of said nanoemulsion and/or composition and to their use for the treatment of dermatological diseases, virus-associated diseases as well as diseases associated with cell proliferation, in particular, tumor diseases and/or psoriasis. The present invention is further directed to the use of said nanoemulsion in cosmetics.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: January 3, 2023
    Assignee: BIOFRONTERA BIOSCIENCE GMBH
    Inventor: Montserrat Foguet Roca
  • Patent number: 9708304
    Abstract: The present invention relates to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidene)-1-methyl piperidine salts and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine salts; especially to novel crystal forms of 4-(6-ethoxy-1-methoxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride and 4-(6-ethoxy-1-hydroxy-thioxanthene-9-ylidene)-1-methyl piperidine hydrochloride as well as to the use of these salts for preventing or treating migraine or pulmonary hypertension.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: July 18, 2017
    Assignee: Biofrontera Bioscience GmbH
    Inventors: Beate Schmitz, Hermann Luebbert
  • Publication number: 20110250239
    Abstract: The present invention concerns the pharmaceutical and cosmetic application of biocolloids, which originate from the mixture of a nanoemulsion and at least one water-soluble plant extract such as an extract from Mahonia aquifolium, wherein the biological effect of the plant ingredients is enhanced by the composition although the nanoemulsion does not function as a carrier system. The biocolloids are especially for the treatment and care of the skin.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 13, 2011
    Applicant: BIOFRONTERA BIOSCIENCE GMBH
    Inventors: Hermann LUEBBERT, Montserrat Foguet ROCA, Mirella GWAREK
  • Publication number: 20090324727
    Abstract: The present invention relates to a nanoemulsion comprising at least one aqueous component and a carrier, wherein the carrier comprises at least one lipophilic component, at least one surfactant and at least one alcohol, characterised in that at least one alcohol has at least three carbon atoms. The present invention further relates to a composition comprising said nanoemulsion and an active agent. In particular, the composition is present as a gel and the active agent is 5-aminolevulinic acid, a derivative, precursor and/or metabolite thereof. The invention further relates to the preparation of said nanoemulsion and/or composition and to their use for the treatment of dermatological diseases, virus-associated diseases as well as diseases associated with cell proliferation, in particular, tumor diseases and/or psoriasis. The present invention is further directed to the use of said nanoemulsion in cosmetics.
    Type: Application
    Filed: December 21, 2007
    Publication date: December 31, 2009
    Applicant: BIOFRONTERA BIOSCIENCE GMBH
    Inventor: Montserrat Foguet Roca
  • Patent number: 7511064
    Abstract: The present invention relates to derivatives of 4-(Thio- or Selenoxanthene-9-ylidene)-piperidine or acridine and pharmaceutically acceptable salts thereof, use of these compounds as a medicament and for the manufacture of a medicament for treatment of a disease state which can be alleviated by treatment with a 5-HT2B antagonist.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: March 31, 2009
    Assignee: Biofrontera Bioscience GmbH
    Inventors: Hermann Lubbert, Christoph Ullmer, Emile Bellott, Mark Froimowitz, Douglas Gordon
  • Publication number: 20060183905
    Abstract: The present invention relates to derivatives of 4-(Thio- or Selenoxanthene-9-ylidene)-piperidine or acridine and pharmaceutically acceptable salts thereof, use of these compounds as a medicament and for the manufacture of a medicament for treatment of a disease state which can be alleviated by treatment with a 5-HT2B antagonist.
    Type: Application
    Filed: April 19, 2006
    Publication date: August 17, 2006
    Applicant: BIOFRONTERA BIOSCIENCE GmbH
    Inventors: Hermann Lubbert, Christoph Ullmer, Emile Bellott, Mark Froimowitz, Douglas Gordon
  • Patent number: 7060711
    Abstract: The present invention relates to derivatives of 4-(Thio- or Selenoxanthene-9-ylidene)-piperidine or acridine and pharmaceutically acceptable salts thereof, use of these compounds as a medicament and for the manufacture of a medicament for treatment of a disease state which can be alleviated by treatment with a 5-HT2B antagonist.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: June 13, 2006
    Assignee: Biofrontera Bioscience GmbH
    Inventors: Hermann Lubbert, Christoph Ullmer, Emile Bellott, Mark Froimowitz, Douglas Gordon