Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
VG

Viola Groehn — 41 Patents

Merck: 34 patents #209 of 9,382Top 3%
BPBiomarin Pharmaceutical: 5 patents #34 of 139Top 25%
AGAventis Pharma Deutschland Gmbh: 1 patents #209 of 418Top 50%
EAEprova Ag: 1 patents #10 of 19Top 55%
Dachsen, CH: #1 of 18 inventorsTop 6%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Viola Groehn has been granted 41 US patents while listed as an inventor at Merck. The first was granted in 2002 and the most recent in February 2025. Viola Groehn ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Viola Groehn in Dachsen, CH.

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12221446 Crystalline salt of 5-methyl-(6S)-tetrahydrofolic acid and L-isoleucine ethyl ester Rudolf Moser, Ruth Boehni Stamm, Fritz Blatter, Martin Szelagiewicz 2025-02-11
12221445 Crystalline salts of 5-methyl-(6S)-tetrahydrofolic acid and amino ethyl esters Rudolf Moser, Ruth Boehni Stamm, Fritz Blatter, Martin Szelagiewicz 2025-02-11
12122783 Stable salt of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2024-10-22
12103930 Stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2024-10-01
12048700 Crystalline monosodium salt of 5-methyl-(6S)-tetrahydrofolic acid Rudolf Moser, Fritz Blatter, Martin Szelagiewicz, Ruth Boehni Stamm, Markus Ruettimann +1 more 2024-07-30 $232,799,000
12023390 Isomerically pure 18F-labelled tetrahydrofolates Rudolf Moser, Cristina Magdalena Mueller, Roger Schibli, Simon Mensah Ametamey, Silvan Boss 2024-07-02 $352,016,000
11992491 Crystalline salts of 5-methyl-(6S)-tetrahydrofolic acid and L-valine ethyl ester Rudolf Moser, Ruth Boehni Stamm, Fritz Blatter, Martin Szelagiewicz 2024-05-28 $153,549,000
11925644 Crystalline salts of 5-methyl-(6S)-tetrahydrofolic acid and l-leucine ethyl ester Rudolf Moser, Ruth Boehni Stamm, Fritz Blatter, Martin Szelagiewicz 2024-03-12 $345,937,000
11633400 Crystalline salt comprising 5-methyl-(6S)-tetrahydrofolic acid and 4-(2-hydroxyethyl)-morpholine Rudolf Moser, Ruth Boehni Stamm, Fritz Blatter, Martin Szelagiewicz 2023-04-25 $617,771,000
11510988 Targeting aminoacid lipids Michael Platscher, Raymond Behrendt, Simone Rachel Hoertner, Marco Passafaro, Finn BAUER 2022-11-29 $222,450,000
11377448 Crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid Rudolf Moser, Fritz Blatter, Martin Szelagiewicz, Ruth Boehni Stamm, Markus Ruettimann 2022-07-05 $309,260,000
11337978 Stable lyophilisates comprising 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Ammann 2022-05-24 $488,690,000
11306094 Stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2022-04-19
11185545 Crystalline monosodium salt of 5-methyl-(6S)-tetrahydrofolic acid Rudolf Moser, Fritz Blatter, Martin Szelagiewicz, Ruth Boehni Stamm, Markus Ruettimann +1 more 2021-11-30 $230,654,000
11066408 Crystalline binary sodium salts of 5-methyl-(6S)-tetrahydrofolic acid with organic bases Rudolf Moser, Fritz Blatter, Martin Szelagiewicz, Ruth Boehni Stamm, Markus Ruettimann +1 more 2021-07-20 $167,720,000
10973936 18F-saccharide-folates Roger Schibli, Rudolf Moser, Cristina Magdalena Muller, Simon Mensah Ametamey, Cindy Ramona Fischer 2021-04-13
10961246 18F-labelled folates as PET radiotracers Roger Schibli, Rudolf Moser, Cristina Magdalena Muller, Simon Mensah Ametamey, Tobias Ludwig Ross 2021-03-30
10570134 Stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2020-02-25
10377756 18F-labelled folates Simon Mensah Ametamey, Rudolf Moser, Tobias Ludwig Ross, Phoebe Lam 2019-08-13
10357576 18F-labelled folate/antifolate analogues Roger Schibli, Rudolf Moser, Cristina Magdalena Mueller, Simon Mensah Ametamey, Thomas Betzel 2019-07-23
10336758 Stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2019-07-02
10322195 18F-saccharide-folates Roger Schibli, Rudolf Moser, Cristina Magdalena Muller, Simon Mensah Ametamey, Cindy Ramona Fischer 2019-06-18
10059710 Stable formulations of 5,10-methylene-(6R)-tetrahydrofolic acid Rudolf Moser, Thomas Egger, Thomas Ammann 2018-08-28
9993481 Methods and compositions for the treatment of metabolic disorders Daniel I. Oppenheimer, Emil D. Kakkis, Fredric D. Price, Alejandro Dorenbaum, Rudolf Moser +2 more 2018-06-12 $98,548,000
9878044 Targeting aminoacid lipids Michael Platscher, Raymond Behrendt, Simone Rachel Hoertner, Marco Passafaro, Finn BAUER 2018-01-30 $67,960,000