Inventor · disambiguated record
Stefan Welzig
Also filed as: WELZIG STEFAN
13 granted patents·10 pending applications·18 citations·filing 2001–2018
87Inventor score
Top patents by PatentIndex Score
23 records- 0180US8372979B2Process for the production of high-purity 2,4′-dimethyl-3-piperidino-propiophenone (tolperisone), pharmaceutical compositions that contain the latter, as well as active ingredient formulations that contain tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2008·Granted Feb 12, 2013·4 cites·27 claims
- 0274US10064961B2Method for producing a liquid pharmaceutical preparationSANOCHEMIA PHARMAZEUTIKA AG·Filed 2015·Granted Sep 4, 2018·2 cites·20 claims
- 0373US7385060B2Method for producing salts of tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2003·Granted Jun 10, 2008·7 cites·6 claims
- 0472US9315480B2Compositions of tolperisoneGAETA FEDERICO·Filed 2008·Granted Apr 19, 2016·2 cites·10 claims
- 0565US2009253743A1Compositions of tolperisoneAVIGEN INC·Filed 2008·Application pending·0 cites
- 0663US7166588B2Derivatives and analogs of galanthamineSANOCHEMIA PHARMAZEUTIKA AG·Filed 2001·Granted Jan 23, 2007·3 cites·14 claims
- 0762US2018344717A1Compositions of tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2018·Application pending·0 cites
- 0860US9675598B2Compositions of tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2016·Granted Jun 13, 2017·0 cites·20 claims
- 0959US2008188522A1Method for producing salts of tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2008·Application pending·0 cites
- 1059US2017239228A1Compositions of tolperisoneSANOCHEMIA PHARMAZEUTIKA AG·Filed 2017·Application pending·0 cites
- 1158US9662317B2Methods of administering tolperisone for therapeutic purposesSANOCHEMIA PHARMAZEUTIKA AG·Filed 2016·Granted May 30, 2017·0 cites·27 claims
- 1254US10201609B2Method for the production of a formulation of a hypericin saltSANOCHEMIA PHARMAZEUTIKA AG·Filed 2017·Granted Feb 12, 2019·0 cites·8 claims
- 1352US10265397B2Formulation for photodynamic therapySANOCHEMIA PHARMAZEUTIKA AG·Filed 2017·Granted Apr 23, 2019·0 cites·3 claims
- 1450US10143751B2Photodynamic therapy, formulation usable for this purpose, and method for the production and use thereofSANOCHEMIA PHARMAZEUTIKA AG·Filed 2015·Granted Dec 4, 2018·0 cites·20 claims
- 1548US2007027138A1Derivatives and analogs of galanthamineSANOCHEMIA PHARMAZEUTIKA AG·Filed 2006·Application pending·0 cites
- 1647US9775900B2Photodynamic diagnosis, formulations usable as photosensitizers for this purpose, method for the production and use thereofSANOCHEMIA PHARMAZEUTIKA AG·Filed 2017·Granted Oct 3, 2017·0 cites·2 claims
- 1747US2009326219A1Process for manufacturing extremely pure benzazepine derivativesSANOCHEMIA PHARMAZEUTIKA AG·Filed 2009·Application pending·0 cites
- 1844US9629932B2Photodynamic diagnosis, formulations usable as photosensitizers for this purpose, method for the production and use thereofSANOCHEMIA PHARMAZEUTIKA AG·Filed 2015·Granted Apr 25, 2017·0 cites·6 claims
- 1944US2007105837A1Novel derivatives of 4a,5,9,10,11,12-hexahydrobenzofuro[3a,3,2][2]-benzazepine, method for the production thereof and use thereof in the production of medicamentsCZOLLNER LASZLO·Filed 2004·Application pending·0 cites
- 2038US2009203920A1Method for isolating 5-substituted tetrazolesSANOCHEMIA PHARMAZEUTIKA AG·Filed 2006·Application pending·0 cites
- 2138US2010249423A1Tolperisone controlled release tabletSANOCHEMIA PHARMAZEUTIKA AG·Filed 2010·Application pending·0 cites
- 2233US8212029B2Method for the production of high-purity 4a, 5, 9, 10, 11, 12,-hexahydro-6H-benzofuro [3a, 3, 2-ef] [2] benzazepine, and the derivatives thereofWELZIG STEFAN·Filed 2008·Granted Jul 3, 2012·0 cites·22 claims
- 2323US2007260068A1Method for the Preparation of Crystal Forms of Torsemide in a Pure StateWELZIG STEFAN·Filed 2005·Application pending·0 cites
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