Patents by Inventor Karl Christian Bart

Karl Christian Bart 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: 9499670
    Abstract: The present invention relates to a catalyst for the cross-linking of silicone rubber materials. In particular, the present invention provides a composition for the production of a silicone rubber material, wherein the composition comprises a catalyst, which comprises at least two compounds, which are different from each other and which are selected independently of each other from metal salts of carboxylic acids. In addition, the present invention provides a use of the catalyst according to the invention for the cross-linking of a silicone rubber material, as well as a use of the composition according to the invention for the production of a silicone rubber material, especially for the use as a sealant, an adhesive, or a coating agent.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 22, 2016
    Assignee: Nitrochemie Aschau GmbH
    Inventors: Ulrich Pichl, Gerhard Schmidt, Theodor Ederer, Thomas Knott, Karl-Christian Bart, Jorg Lippstreu
  • Patent number: 9481817
    Abstract: The present invention relates to a catalyst for the cross-linking of silicone rubber materials with a cross-linker on the basis of lactate. In particular, the present invention provides a composition for the production of a silicone rubber material with a cross-linker on the basis of lactate, wherein the composition comprises a catalyst, which comprises at least two compounds, which are different from each other and which are selected independently of each other from metal salts of carboxylic acids. In addition, the present invention provides a method for the production of such a composition, as well as a use of the catalyst for the cross-linking of a silicone rubber material, in particular for cross-linking a silicone rubber material with a cross-linker on the basis of lactate, as well as a use of the composition of the present invention for the production of a silicone rubber material, in particular for use as a sealant, an adhesive, or a coating agent.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 1, 2016
    Assignee: Nitrochemie Aschau GmbH
    Inventors: Ulrich Pichl, Gerhard Schmidt, Theodor Ederer, Thomas Knott, Karl-Christian Bart, Jorg Lippstreu
  • Publication number: 20160024258
    Abstract: The present invention relates to a catalyst for the cross-linking of silicone rubber materials. In particular, the present invention provides a composition for the production of a silicone rubber material, wherein the composition comprises a catalyst, which comprises at least two compounds, which are different from each other and which are selected independently of each other from metal salts of carboxylic acids. In addition, the present invention provides a use of the catalyst according to the invention for the cross-linking of a silicone rubber material, as well as a use of the composition according to the invention for the production of a silicone rubber material, especially for the use as a sealant, an adhesive, or a coating agent.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 28, 2016
    Applicant: NIROCHEMIE ASCHAU GMBH
    Inventors: Ulrich Pichl, Gerhard Schmidt, Theodor Ederer, Thomas Knott, Karl-Christian Bart, Jorg Lippstreu
  • Publication number: 20160017195
    Abstract: The present invention relates to a catalyst for the cross-linking of silicone rubber materials with a cross-linker on the basis of lactate. In particular, the present invention provides a composition for the production of a silicone rubber material with a cross-linker on the basis of lactate, wherein the composition comprises a catalyst, which comprises at least two compounds, which are different from each other and which are selected independently of each other from metal salts of carboxylic acids. In addition, the present invention provides a method for the production of such a composition, as well as a use of the catalyst for the cross-linking of a silicone rubber material, in particular for cross-linking a silicone rubber material with a cross-linker on the basis of lactate, as well as a use of the composition of the present invention for the production of a silicone rubber material, in particular for use as a sealant, an adhesive, or a coating agent.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 21, 2016
    Applicant: Nitrochemie Aschau GmbH
    Inventors: Ulrich Pichl, Gerhard Schmidt, Theodor Ederer, Thomas Knott, Karl-Christian Bart, Jörg Lippstreu
  • Patent number: 7087214
    Abstract: The invention relates to novel, water-soluble porphyrin platinum compounds of the tetraarylporphyrin platinum derivatives type or of the hematoporphyrin platinum derivatives type with high tumor selectivity and their use for the treatment of benign and malignant tumor diseases. In particular, the compounds are suitable for photodynamic anti-tumor therapy.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: August 8, 2006
    Assignee: Zentaris GmbH
    Inventors: Karl Christian Bart, Guenther Bernhardt, Henri Brunner, Christian Lottner
  • Publication number: 20040023942
    Abstract: The invention relates to novel, water-soluble porphyrin platinum compounds of the tetraarylporphyrin platinum derivatives type or of the hematoporphyrin platinum derivatives type with high tumor selectivity and their use for the treatment of benign and malignant tumor diseases. In particular, the compounds are suitable for photodynamic anti-tumor therapy.
    Type: Application
    Filed: January 27, 2003
    Publication date: February 5, 2004
    Inventors: Karl-Christian Bart, Guenther Bernhardt, Henri Brunner, Christian Lottner