Zofingen
Switzerland
11
2025-05-22
10
2021-08-31
These are the the leading inventors for applications assigned to Siegfried AG:
Siegfried AG based in Zofingen, CH has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Chiral Synthesis of Nornicotine and Nicotine
#2 | 2021-04-15 ✅ Patent 11,104,630 granted on 2021-08-31Synthesis of mono-chlorinated acetophenone
#3 | 2020-12-10 ✅ Patent 10,927,122 granted on 2021-02-23Synthesis of noroxymorphone
#4 | 2020-10-22 ✅ Patent 11,407,730 granted on 2022-08-09Preparation of racemic nicotine by reaction of ethyl nicotinate with N-vinylpyrrolidone in the presence of an alcoholate base and subsequent process steps
#5 | 2020-10-22 ✅ Patent 11,279,685 granted on 2022-03-22Enantiomeric separation of racemic nicotine by addition of an O,O″-disubstituted tartaric acid enantiomer
#6 | 2018-02-22 ✅ Patent 10,035,807 granted on 2018-07-31Method of manufacturing stereoisomers of buprenorphine and analogues thereof
#7 | 2017-11-09 ✅ Patent 10,391,091 granted on 2019-08-27Method of manufacturing buprenorphine and analogues thereof from oripavine
#8 | 2016-09-15 ✅ Patent 10,034,883 granted on 2018-07-31Mesoporous dosage forms for poorly soluble drugs
#9 | 2016-06-09 ✅ Patent 9,546,177 granted on 2017-01-17Synthesis of noroxymorphone from morphine
#10 | 2016-03-24 ✅ Patent 10,010,510 granted on 2018-07-03Oral pharmaceutical formulation
#11 | 2013-02-07 ✅ Patent 8,921,557 granted on 2014-12-30Preparation of low impurity opiates in a continuous flow reactor
Also check out SIEGFRIED AG's (Zofingen, Switzerland) applicant profile with 12 patent applications submitted.
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