Patents by Inventor Viola Groehn

Viola Groehn 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: 20200306390
    Abstract: The present invention is directed towards isomerically pure 18F-labelled (6S)- or (6R)-5-methyltetrahydrofolate radiopharmaceuticals, wherein the phenyl group within the folate structure, has been replaced by an 18F-labelled N-heterocycle, for use in diagnostic imaging of a cell or population of cells expressing a folate-receptor in vitro or in vivo or for use in monitoring of cancer or inflammatory and autoimmune diseases and therapy thereof.
    Type: Application
    Filed: March 19, 2018
    Publication date: October 1, 2020
    Applicant: Merck Patent GmbH
    Inventors: Rudolf MOSER, Viola GROEHN, Cristina MUELLER, Roger SCHIBLI, Simon AMETAMEY, Silvan BOSS
  • Publication number: 20200283443
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 10, 2020
    Applicant: MERCK & CIE
    Inventors: Rudolf MOSER, Viola GROEHN, Thomas EGGER, Thomas AMMANN
  • Patent number: 10570134
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: February 25, 2020
    Assignee: MERCK & CIE
    Inventors: Rudolf Moser, Viola Groehn, Thomas Egger, Thomas Ammann
  • Publication number: 20200039982
    Abstract: The present invention is directed to crystalline salt of 5-methyl-(6S)-tetrahydrofolic acid comprising (i) 5-methyl-(6S)-tetrahydrofolic acid, (ii) sodium and (iii) an organic base having a pKa value from 6 to 11; wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to the sodium is from 1:0.5 to 1:1.5 and the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to the organic base is 1:0.5 to 1:1.5 and/or hydrates and/or solvates thereof, as well as, a processes of obtaining the same.
    Type: Application
    Filed: March 28, 2018
    Publication date: February 6, 2020
    Applicant: MERCK PATENT GMBH
    Inventors: Rudolf MOSER, Viola GROEHN, Fritz BLATTER, Martin SZELAGIEWICZ, Ruth BOEHNI STAMM, Markus RUETTIMANN, Giuseppe LAPADULA
  • Publication number: 20200030333
    Abstract: The present invention is directed to a crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to sodium is from 1:0.5 to 1:1.
    Type: Application
    Filed: March 28, 2018
    Publication date: January 30, 2020
    Applicant: Merck Patent GmbH
    Inventors: Rudolf MOSER, Viola GROEHN, Fritz BLATTER, Martin SZELAGIEWICZ, Ruth BOEHNI STAMM, Markus RUETTIMANN, Giuseppe LAPADULA
  • Publication number: 20190270745
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Applicant: MERCK & CIE
    Inventors: Rudolf MOSER, Viola GROEHN, Thomas EGGER, Thomas AMMANN
  • Publication number: 20190255200
    Abstract: The present invention is directed towards new 18F-folate radiopharmaceuticals, wherein the 18F isotope is linked via a prosthetic group, more specifically via a prosthetic group having a saccharide group, such as a cyclic mono- or oligosaccharide, preferably based on a pyranoside or furanoside, which is covalently linked to the glutamate portion of a folate or derivative thereof, a method of their preparation, as well as their use in diagnosis and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicant: MERCK & CIE
    Inventors: Roger SCHIBLI, Rudolf MOSER, Christina Magdalena MULLER, Simon Mensah AMETAMEY, Cindy Ramona FISCHER, Viola GROEHN
  • Patent number: 10377756
    Abstract: The present invention is directed towards a new method of synthesis of 18F-folate radiopharmaceuticals, wherein fluorine-18 is attached to a pteroate (or folate) or derivative thereof, through direct radiolabeling with 18[F]fluoride, as well as 18F-folate radiopharmaceuticals obtained by such method of synthesis and their use in diagnosis and monitoring of cancer therapy and therapy of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: August 13, 2019
    Assignee: MERCK & CIE
    Inventors: Simon Mensah Ametamey, Rudolf Moser, Tobias Ludwig Ross, Phoebe Lam, Viola Groehn
  • Patent number: 10357576
    Abstract: The present invention is directed towards new 18F-folate/antifolate analog radiopharmaceuticals, wherein the phenyl group within folate structures has been replaced by an 18F-heterocycle, their precursors, a method of their preparation, as well as their use in diagnosis of a cell or population of cells expressing a folate-receptor and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: July 23, 2019
    Assignee: MERECK & CIE
    Inventors: Roger Schibli, Rudolf Moser, Cristina Magdalena Mueller, Simon Mensah Ametamey, Thomas Betzel, Viola Groehn
  • Patent number: 10336758
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 2, 2019
    Assignee: MERCK & CIE
    Inventors: Rudolf Moser, Viola Groehn, Thomas Egger, Thomas Ammann
  • Patent number: 10322195
    Abstract: The present invention is directed towards new 18F-folate radiopharmaceuticals, wherein the 18F isotope F is linked via a prosthetic group, more specifically via a prosthetic group having a saccharide group, such as a cyclic mono- or oligosaccharide, preferably based on a pyranoside or furanoside, which is covalently linked to the glutamate portion of a folate or derivative thereof, a method of their preparation, as well as their use in diagnosis and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: June 18, 2019
    Assignee: Merck & CIE
    Inventors: Roger Schibli, Rudolf Moser, Cristina Magdalena Muller, Simon Mensah Ametamey, Cindy Ramona Fischer, Viola Groehn
  • Publication number: 20190106431
    Abstract: The present invention is directed towards the hemisulfate salt of 5,10-methylene-(6R)-tetrahydrofolic acid, preferably in substantially crystalline form, as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 11, 2019
    Applicant: MERCK & CIE
    Inventors: Rudolf MOSER, Viola GROEHN, Thomas EGGER, Thomas AMMANN
  • Publication number: 20180256582
    Abstract: The present invention is directed to a novel methods and compositions for the therapeutic intervention in hyperphenylalaninemia. More specifically, the specification describes methods and compositions for treating various types of phenylketonurias using compositions comprising BH4. Combination therapies of BH4 and other therapeutic regimens are contemplated.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Inventors: Daniel I. Oppenheimer, Emil D. Kakkis, Fredric D. Price, Alejandro Dorenbaum, Rudolf Moser, Viola Groehn, Thomas Egger, Fritz Blatter
  • Patent number: 10059710
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: August 28, 2018
    Assignee: MERCK & CIE
    Inventors: Rudolf Moser, Viola Groehn, Thomas Egger, Thomas Ammann
  • Patent number: 9993481
    Abstract: The present invention is directed to a novel methods and compositions for the therapeutic intervention in hyperphenylalaninemia. More specifically, the specification describes methods and compositions for treating various types of phenylketonurias using compositions comprising BH4. Combination therapies of BH4 and other therapeutic regimens are contemplated.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: June 12, 2018
    Assignee: BIOMARIN PHARMACEUTICAL INC.
    Inventors: Daniel I. Oppenheimer, Emil D. Kakkis, Fredric D. Price, Alejandro Dorenbaum, Rudolf Moser, Viola Groehn, Thomas Egger, Fritz Blatter
  • Publication number: 20180134711
    Abstract: The invention is directed towards stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid and its hemisulfate salt as well as pharmaceutical compositions and uses thereof in therapy, preferably chemotherapy.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Applicant: MERCK & CIE
    Inventors: Rudolf MOSER, Viola GROEHN, Thomas EGGER, Thomas AMMANN
  • Publication number: 20180133334
    Abstract: The present invention is directed to carrier systems comprising ether-lipids conjugated to one or more bioactive ligands and exposed on the surface of the carrier system for use in targeted delivery and/or antigen display systems. Optionally one or more further bioactive agents may be encapsulated or embedded within or attached to or adsorbed onto the carrier system. The present invention is further directed to methods of their preparation and their uses in medical applications, such as targeted delivery of bioactive agents to specific tissues or cells and antigen display systems for the study, diagnosis, and treatment of traits, diseases and conditions that respond to said bioactive agents.
    Type: Application
    Filed: January 11, 2018
    Publication date: May 17, 2018
    Applicant: Merck Patent GmbH
    Inventors: Michael PLATSCHER, Raymond BEHRENDT, Viola GROEHN, Simone HOERTNER, Marco PASSAFARO, Finn BAUER
  • Publication number: 20180072734
    Abstract: The present invention is directed towards new 18F-folate radiopharmaceuticals, wherein fluorine-18 is covalently linked to the glutamate portion of a folate or derivative thereof, a method of their preparation, as well as their use in diagnosis and monitoring of therapy of cancer and inflammatory and autoimmune diseases.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 15, 2018
    Applicant: MERCK & CIE
    Inventors: Roger SCHIBLI, Rudolf MOSER, Cristina Magdalena MULLER, Simon Mensah AMETAMEY, Tobias Ludwig ROSS, Viola GROEHN
  • Patent number: 9878044
    Abstract: The present invention is directed to carrier systems comprising ether-lipids conjugated to one or more bioactive ligands and exposed on the surface of the carrier system for use in targeted delivery and/or antigen display systems. Optionally one or more further bioactive agents may be encapsulated or embedded within or attached to or adsorbed onto the carrier system. The present invention is further directed to methods of their preparation and their uses in medical applications, such as targeted delivery of bioactive agents to specific tissues or cells and antigen display systems for the study, diagnosis, and treatment of traits, diseases and conditions that respond to said bioactive agents.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: January 30, 2018
    Assignee: MERCK PATENT GMBH
    Inventors: Michael Wilhelm Platscher, Raymond Behrendt, Viola Groehn, Simone Rachel Hoertner, Marco Silvio Passafaro, Finn Bauer
  • Patent number: 9796666
    Abstract: The present invention is directed to a new class of lipids, more specifically ether-lipids having a polar headgroup, as well as vesicles comprising these lipids, methods of their preparation as well as their uses in medical applications, wherein the ether-lipids are represented by general formula I
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 24, 2017
    Assignee: MERCK PATENT GmbH
    Inventors: Michael Wilhelm Platscher, Raymond Behrendt, Viola Groehn, Simone Rachel Hoertner, Marco Silvio Passafaro, Finn Bauer