Patents by Inventor Alexander BIRKMANN

Alexander BIRKMANN 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).

  • Publication number: 20220401553
    Abstract: The present invention relates to the treatment of coronavirus infections and to preparing subjects for such an infection by administering a parapoxvirus. This treatment is to assist the immune system in combatting the virus and to thereby prevent and to ameliorate symptoms of coronavirus disease.
    Type: Application
    Filed: May 10, 2021
    Publication date: December 22, 2022
    Inventors: Daniela Paulsen, Alexander Birkmann, Peter Lischka, Tamara Pfaff, Holger Zimmermann
  • Publication number: 20220152009
    Abstract: The present invention relates to the field of anti-viral active agents, particularly to salts, more particularly to a maleate salt of the free base of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide, to pharmaceutical formulations thereof as well as to methods for the production of these salts. The present invention also relates to the use of theses salts and of respective pharmaceutical formulations thereof in methods of treatment and/or prevention of human herpes simplex virus infections, particularly infections caused by HSV-1 and HSV-2.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 19, 2022
    Applicant: AICURIS GMBH & CO. KG
    Inventors: Yogeshwar BACHHAV, Wilfried SCHWAB, Alexander BIRKMANN, Susanne BONSMANN, Thomas GOLDNER
  • Patent number: 11266636
    Abstract: The present invention relates to the field of anti-viral active agents, particularly to salts, more particularly to a maleate salt of the free base of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide, to pharmaceutical formulations thereof as well as to methods for the production of these salts. The present invention also relates to the use of theses salts and of respective pharmaceutical formulations thereof in methods of treatment and/or prevention of human herpes simplex virus infections, particularly infections caused by HSV-1 and HSV-2.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: March 8, 2022
    Assignee: AICURIS GMBH & CO. KG
    Inventors: Yogeshwar Bachhav, Wilfried Schwab, Alexander Birkmann, Susanne Bonsmann, Thomas Goldner
  • Patent number: 11213516
    Abstract: The present invention relates to field of intravaginally applicable devices that release antiviral compounds. In particular, the present invention relates to vaginal rings comprising a matrix releasing at least one antivirally active compound, in particular anti-herpetic compound N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide (in the following also referred to as “Pritelivir”) or salts thereof. The present invention therefore relates to the treatment and prevention of herpes infections.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 4, 2022
    Assignee: AICURIS GMBH & CO. KG
    Inventors: Yogeshwar Bachhav, Susanne Bonsmann, Tamara Pfaff, Alexander Birkmann, Karl Malcolm
  • Publication number: 20210269429
    Abstract: Anti-viral active agents, particularly the free base hemihydrate form of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide, as well as methods for the manufacture thereof. Also the use of the above compound in the treatment of human herpes virus infections and in the preparation of pharmaceuticals comprising said compound.
    Type: Application
    Filed: April 2, 2021
    Publication date: September 2, 2021
    Applicant: AiCuris Anti-Infective Cures GmbH
    Inventors: Yogeshwar BACHHAV, Wilfried SCHWAB, Alexander BIRKMANN, Kurt VOEGTLI
  • Patent number: 11021474
    Abstract: The present invention relates to the field of anti-viral active agents, particularly the free base hemihydrate form of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide as well as methods for the manufacture thereof. The present invention relates also to the use of the above compound in the treatment of human herpes virus infections and in the preparation of pharmaceuticals comprising said compound.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: June 1, 2021
    Assignee: AiCuris Anti-Infective Cures GmbH
    Inventors: Yogeshwar Bachhav, Wilfried Schwab, Alexander Birkmann, Kurt Voegtli
  • Publication number: 20200289485
    Abstract: The present invention relates to the field of anti-viral active agents, particularly to salts, more particularly to a maleate salt of the free base of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide, to pharmaceutical formulations thereof as well as to methods for the production of these salts. The present invention also relates to the use of theses salts and of respective pharmaceutical formulations thereof in methods of treatment and/or prevention of human herpes simplex virus infections, particulary infections caused by HSV-1 and HSV-2.
    Type: Application
    Filed: November 28, 2017
    Publication date: September 17, 2020
    Applicant: AICURIS ANTI-INFECTIVE CURES GMBH
    Inventors: Yogeshwar BACHHAV, Wilfried SCHWAB, Alexander BIRKMANN, Susanne BONSMANN, Thomas GOLDNER
  • Publication number: 20200123145
    Abstract: The present invention relates to the field of anti-viral active agents, particularly the free base hemihydrate form of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide as well as methods for the manufacture thereof. The present invention relates also to the use of the above compound in the treatment of human herpes virus infections and in the preparation of pharmaceuticals comprising said compound.
    Type: Application
    Filed: November 28, 2017
    Publication date: April 23, 2020
    Applicant: AiCuris Anti-Infective Cures GmbH
    Inventors: Yogeshwar BACHHAV, Wilfried SCHWAB, Alexander BIRKMANN, Kurt VOEGTLI
  • Publication number: 20200121664
    Abstract: The present invention relates to field of intravaginally applicable devices that release antiviral compounds. In particular, the present invention relates to vaginal rings comprising a matrix releasing at least one antivirally active compound, in particular anti-herpetic compound N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl -N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide (in the following also referred to as “Pritelivir”) or salts thereof. The present invention therefore relates to the treatment and prevention of herpes infections.
    Type: Application
    Filed: June 28, 2018
    Publication date: April 23, 2020
    Applicant: AICURIS ANTI-INFECTIVE CURES GMBH
    Inventors: Yogeshwar BACHHAV, Susanne BONSMANN, Tamara PFAFF, Alexander BIRKMANN, Karl MALCOLM
  • Patent number: 10137117
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: November 27, 2018
    Assignee: AiCuris Anti-Infective Cures GmbH
    Inventors: Wilfried Schwab, Alexander Birkmann, Kerstin Paulus, Kurt Vogtli, Dieter Haag, Stephan Maas, Kristian Ruepp
  • Patent number: 9889124
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5 -(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(amino sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2 -pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: February 13, 2018
    Assignee: AICURIS ANTI-INFECTIVE CURES GMBH
    Inventors: Wilfried Schwab, Alexander Birkmann, Kerstin Paulus, Kurt Vogtli, Dieter Haag, Stephan Maas, Kristian Ruepp
  • Publication number: 20170348297
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Application
    Filed: August 22, 2017
    Publication date: December 7, 2017
    Applicant: AiCuris Anti-Infective Cures GmbH
    Inventors: Wilfried SCHWAB, Alexander BIRKMANN, Kerstin PAULUS, Kurt VÖGTLI, Dieter HAAG, Stephan MAAS, Kristian RUEPP
  • Patent number: 9592225
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: March 14, 2017
    Assignee: AICURIS ANTI-INFECTIVE CURES GMBH
    Inventors: Wilfried Schwab, Alexander Birkmann, Kerstin Paulus, Kurt Vogtli, Dieter Haag, Stephan Maas, Kristian Ruepp
  • Patent number: 9340535
    Abstract: The present invention relates to an improved and shortened synthesis of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acet-amide and the mesylate monohydrate salt thereof by using boronic acid derivatives or borolane reagents while avoiding toxic organic tin compounds and to the mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acet-amide which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: May 17, 2016
    Assignee: AICURIS GMBH & CO. KG
    Inventors: Wilfried Schwab, Alexander Birkmann, Kurt Vogtli, Dieter Haag, Andreas Lender, Alfons Grunenberg, Birgit Keil, Joachim Rehse
  • Publication number: 20160008341
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(amino sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(amino sulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Application
    Filed: August 31, 2015
    Publication date: January 14, 2016
    Applicant: AICURIS GMBH & CO. KG
    Inventors: Wilfried SCHWAB, Alexander BIRKMANN, Kerstin PAULUS, Kurt VOGTLI, Dieter HAAG, Stephan MAAS, Kristian RUEPP
  • Publication number: 20150366849
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Applicant: AICURIS GMBH & CO. KG
    Inventors: Wilfried SCHWAB, Alexander BIRKMANN, Kerstin PAULUS, Kurt VOGTLI, Dieter HAAG, Stephan MAAS, Kristian RUEPP
  • Patent number: 9119786
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: September 1, 2015
    Assignee: AICURIS GMBH & CO KG
    Inventors: Wilfried Schwab, Alexander Birkmann, Kerstin Paulus, Kurt Vogtli, Dieter Haag, Stephan Maas, Kristian Ruepp
  • Publication number: 20140221433
    Abstract: The present invention relates to an improved and shortened synthesis of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acet-amide and the mesylate monohydrate salt thereof by using boronic acid derivatives or borolane reagents while avoiding toxic organic tin compounds and to the mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acet-amide which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 7, 2014
    Applicant: AICURIS GMBH & CO. KG
    Inventors: Wilfried Schwab, Alexander Birkmann, Kurt Vogtli, Dieter Haag, Andreas Lender, Alfons Grunenberg, Birgit Keil, Joachim Reshe
  • Publication number: 20140065224
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Application
    Filed: November 1, 2013
    Publication date: March 6, 2014
    Applicant: AICURIS GMBH & CO. KG
    Inventors: Wilfried SCHWAB, Alexander BIRKMANN, Kerstin PAULUS, Kurt VOGTLI, Dieter HAAG, Stephan MASS, Kristian RUEPP
  • Patent number: RE49697
    Abstract: The present invention relates to the crystalline mono mesylate monohydrate salt of N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide in a definite particle size range, particle size distribution and a specific surface area range, which has demonstrated increased long term stability and release kinetics from pharmaceutical compositions, as well as to pharmaceutical compositions containing said crystalline N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)phenyl]acetamide mono mesylate monohydrate having the afore-mentioned particle size range, particle size distribution and specific surface area range.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: October 17, 2023
    Assignee: AICURIS ANTI-INFECTIVE CURES AG
    Inventors: Wilfried Schwab, Alexander Birkmann, Kerstin Paulus, Kurt Vogtli, Dieter Haag, Stephan Maas, Kristian Ruepp