Siegfried Holding AG - Company Profile
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View up-to-date information on Siegfried Holding AG patents, including inventor and filing insights.
Patent Trends
Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
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US11407730B2 | Grant | Preparation of racemic nicotine by reaction of ethyl nicotinate with N-vinylpyrrolidone in the presence of an alcoholate base and subsequent process steps | C07D401/04 | August 09, 2022 |
HUE057748T2 | Application | ONE-POT PROCESS FOR THE PREPARATION OF RACEMIC NICOTINE BY REACTION OF ETHYL NICOTINATE WITH N-VINYLPYRROLIDONE IN THE PRESENCE OF SODIUM ETHANOLATE OR POTASSIUM ETHANOLATE OR MIXTURES THEREOF | A61K31/4439; A61P25/34; C07B2200/07; C07D401/04 | June 28, 2022 |
PL3728215T3 | Grant | ONE-POT PROCESS FOR THE PREPARATION OF RACEMIC NICOTINE BY REACTION OF ETHYL NICOTINATE WITH N-VINYLPYRROLIDONE IN THE PRESENCE OF SODIUM ETHANOLATE OR POTASSIUM ETHANOLATE OR MIXTURES THEREOF | A61K31/4439; A61P25/34; C07B2200/07; C07D401/04 | May 16, 2022 |
NZ733889A | Application | Method of manufacturing stereoisomers of buprenorphine and analogues thereof | C07D489/09; C07D489/12; Y02P20/55 | March 25, 2022 |
NZ730827A | Application | Improved method of manufacturing buprenorphine and analogues thereof from oripavine | A61K31/485; A61P25/36; A61P29/00; C07D489/12 | March 25, 2022 |
Top Inventors by Filings (Count by publication)
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