Patents by Inventor Sabine Laschat

Sabine Laschat 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).

  • Cross-linkers for hydrogels, hydrogels including these cross-linkers and applications thereof
    Patent number: 9644076
    Abstract: The present invention relates to novel cross-linkers for hydrogels, in particular for hyaluronan hydrogels, corresponding hydrogels including said cross-linkers and various applications thereof. The cross linker of the invention is a bi- or multifunctional cross-linker comprising or consisting of an aromatic or heteroaromatic ring system with 3-6 C atoms which is coupled via functional groups on at least 2 ring positions with at least 2 terminal groups capable to form a covalent bond with thiol or amino groups, in particular with thiol groups in a thiol-en reaction. The cross-linker may be charged or uncharged. In a specific embodiment, the terminal groups are coupled to carboxy groups of the aromatic or heteroaromatic ring system via an ester or amide bond.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: May 9, 2017
    Assignee: Max-Planck-Gesellschaft zur Foerderung der Wissenschafen e. V.
    Inventors: Heike Boehm, Valentin Hagel, Tabea Mundinger, Isabell Nuss, Seraphine Valeska Wegner, Sabine Laschat, Markus Manfred Mateescu
  • NOVEL CROSS-LINKERS FOR HYDROGELS, HYDROGELS INCLUDING THESE CROSS-LINKERS AND APPLICATIONS THEREOF
    Publication number: 20150240037
    Abstract: The present invention relates to novel cross-linkers for hydrogels, in particular for hyaluronan hydrogels, corresponding hydrogels including said cross-linkers and various applications thereof. The cross linker of the invention is a bi- or multifunctional cross-linker comprising or consisting of an aromatic or heteroaromatic ring system with 3-6 C atoms which is coupled via functional groups on at least 2 ring positions with at least 2 terminal groups capable to form a covalent bond with thiol or amino groups, in particular with thiol groups in a thiol-en reaction. The cross-linker may be charged or uncharged. In a specific embodiment, the terminal groups are coupled to carboxy groups of the aromatic or heteroaromatic ring system via an ester or amide bond.
    Type: Application
    Filed: September 25, 2013
    Publication date: August 27, 2015
    Applicant: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Heike Boehm, Valentin Hagel, Tabea Mundinger, Isabell Nuss, Seraphine Valeska Wegner, Sabine Laschat, Markus Manfred Mateescu
  • Bidentate phosphorus ligands and their use in catalysis
    Patent number: 6476246
    Abstract: Chiral, unsymmetrical bidentate organophosphorus ligands of the formula (I) are reacted with transition metal centers to form complexes with catalytic activity. The compounds contain chiral bicycloaliphatic skeletons. Synthesis of the bidentate ligands proceeds from norbornyl derivatives.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: November 5, 2002
    Assignee: Degussa AG
    Inventors: Axel Monsees, Uwe Dingerdissen, Sabine Laschat, Thorsten Sell
  • Bidentate phosphorus ligands and their use in catalysis
    Publication number: 20020095049
    Abstract: Chiral, unsymmetrical bidentate organophosphorus ligands of the formula (I) are reacted with transition metal centers to form complexes with catalytic activity. The compounds contain chiral bicycloaliphatic skeletons. Synthesis of the bidentate ligands proceeds from norbornyl derivatives.
    Type: Application
    Filed: October 24, 2001
    Publication date: July 18, 2002
    Applicant: DEGUSSA AG
    Inventors: Axel Monsees, Uwe Dingerdissen, Sabine Laschat, Thorsten Sell