Inventor · disambiguated record
János Csörgei
Also filed as: CSOERGEI JANOS · Csörgei János
9 granted patents·1 pending application·16 citations·filing 1990–2017
79Inventor score
Top patents by PatentIndex Score
10 records- 0166US8183402B2Industrial method for the synthesis of 17-acetoxy-11β[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione and the key intermediates of the processBODI JOZSEF·Filed 2008·Granted May 22, 2012·2 cites·5 claims
- 0251US9562067B2Process for the production of 19-norpregn-4-en-3,20-dione-17α-ol(gestonorone) and intermediates thereforRICHTER GEDEON NYRT·Filed 2014·Granted Feb 7, 2017·0 cites·20 claims
- 0348US5053404ANovel steroid derivatives, pharmaceutical compositions containing them and process for preparing sameRICHTER GEDEON VEGYESZET·Filed 1990·Granted Oct 1, 1991·8 cites·6 claims
- 0447US11274119B2Industrial process for the synthesis of nomegestrol-acetateRICHTER GEDEON NYRT·Filed 2017·Granted Mar 15, 2022·0 cites·7 claims
- 0543US5082835ANovel steroid diols, pharmaceutical compositions containing them and process for preparing sameRICHTER GEDEON VEGYESZET·Filed 1990·Granted Jan 21, 1992·6 cites·6 claims
- 0642US9676814B2Industrial process for the synthesis of ulipristal acetate and its 4′-acetyl analogueRICHTER GEDEON NYRT·Filed 2014·Granted Jun 13, 2017·0 cites·20 claims
- 0741US9683010B2Process for the production of 21-methoxy-11-beta-phenyl-19-nor-pregna-4,9-diene-3,20-dione derivativesRICHTER GEDEON NYRT·Filed 2015·Granted Jun 20, 2017·0 cites·9 claims
- 0838US9221870B2Crystal form of an organic compound and process for the preparation thereofBalázs Attila ·Filed 2010·Granted Dec 29, 2015·0 cites·9 claims
- 0938US2016220585A1Novel crystal form of an organic compound and process for the preparation thereofRICHTER GEDEON NYRT·Filed 2015·Application pending·0 cites
- 1035US8110691B2Industrial process for the synthesis of 17α-acetoxy-11β-[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione and new intermediates of the processDANCSI LAJOSNE·Filed 2007·Granted Feb 7, 2012·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when János Csörgei files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →