BP

Ben Pan

SA Siegfried Ag: 2 patents #1 of 3Top 35%
Overall (2022): #175,501 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11407730 Preparation of racemic nicotine by reaction of ethyl nicotinate with N-vinylpyrrolidone in the presence of an alcoholate base and subsequent process steps Beat Weber, Christian Lothschütz 2022-08-09
11279685 Enantiomeric separation of racemic nicotine by addition of an O,O″-disubstituted tartaric acid enantiomer Beat Weber 2022-03-22