Inventor · disambiguated record
Helmut Schickaneder
Also filed as: SCHICKANEDER HELMUT
37 granted patents·2 pending applications·439 citations·filing 1983–2017
97Inventor score
Files withHEUMANN LUDWIG & CO GMBH16HEUMANN PHARMA GMBH & CO14RUSSINSKY LTD3AREVIPHARMA GMBH1HEXAL PHARMACEUTICALS INC1
Top patents by PatentIndex Score
39 records- 0196US4816455ACrystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazin)-1-yl)-4-amino-6,7-dimethoxy-quinazoline hydrochloride and a process for its preparationHEUMANN PHARMA GMBH & CO·Filed 1987·Granted Mar 28, 1989·72 cites·3 claims
- 0291US5047431A1,1,2-triphenylbut-1-ene derivativesKLINGE CO CHEM PHARM FAB·Filed 1990·Granted Sep 10, 1991·110 cites·17 claims
- 0389US4810715AImidazoyl-substituted thiomethylpyridine derivatives, method of administration thereof and medicaments containing themHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Mar 7, 1989·24 cites·6 claims
- 0486US4973755AStable solvent adducts of Z-1-(p-β-dimethylaminoethoxy-phenyl)-1-(p-hydroxyphenyl)-2-phenyl-but-1-eneHEUMANN PHARMA GMBH & CO·Filed 1988·Granted Nov 27, 1990·50 cites·1 claims
- 0585US8809549B2Esters of bendamustine and related compounds, and medical use thereofSCHICKANEDER HELMUT DR·Filed 2013·Granted Aug 19, 2014·8 cites·8 claims
- 0685US4954501APiperazine substituted 6-phenyldihydro-3(2H)-pyridazinones, and pharmaceutical preparations containing theseHEUMANN PHARMA GMBH & CO·Filed 1988·Granted Sep 4, 1990·39 cites·7 claims
- 0774US4921856ADihydropyridazinone derivatives, a process for their preparation and pharmaceutical preparations containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1988·Granted May 1, 1990·20 cites·13 claims
- 0868US6469213B1Tramadol, salts thereof and process for their preparationRUSSINSKY LTD·Filed 2000·Granted Oct 22, 2002·7 cites·12 claims
- 0968US4978773AProcess for the preparation of 2,6-dichlorodiphenylaminoacetic acid derivativesHEUMANN PHARMA GMBH & CO·Filed 1989·Granted Dec 18, 1990·9 cites·4 claims
- 1067US5021431AImidazolyl alkyl guanidine derivatives, processes for their preparation and pharmaceutical preparations containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1989·Granted Jun 4, 1991·8 cites·56 claims
- 1165US5025016APyrimidine-thioalkyl pyridine derivatives, medicaments containing these compounds, and method of treatmentHEUMANN LUDWIG & CO GMBH·Filed 1988·Granted Jun 18, 1991·13 cites·32 claims
- 1262US4599346APropan-2-ol derivatives, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Jul 8, 1986·7 cites·2 claims
- 1361US6599885B2Derivatives of erythromycin, clarithromycin, roxithromycin or azithromycin with antibiotic and mucolytic activityRUSSINSKY LTD·Filed 2001·Granted Jul 29, 2003·2 cites·28 claims
- 1460US4957920ABenzimidazoles, and pharmaceutical preparations containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1988·Granted Sep 18, 1990·8 cites·8 claims
- 1558US4656180ADiamine derivatives and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 7, 1987·5 cites·11 claims
- 1655US4666921APyrazole derivatives, processes for their preparation and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted May 19, 1987·4 cites·5 claims
- 1754US4968808AProcess for the preparation of nitroethene derivativesHEUMANN PHARMA GMBH & CO·Filed 1988·Granted Nov 6, 1990·5 cites·6 claims
- 1854US4578389AQuinazoline and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Mar 25, 1986·3 cites·6 claims
- 1952US4659721AAlkanol derivatives, and pharmaceutical preparation containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 21, 1987·6 cites·10 claims
- 2050US4634700A1,3-dioxolanyl derivatives, a process for their preparation, their use and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Jan 6, 1987·5 cites·10 claims
- 2147US10526290B2Bendamustine derivatives and related compounds, and medical use thereof in cancer therapySYNBIAS PHARMA AG·Filed 2013·Granted Jan 7, 2020·0 cites·7 claims
- 2247US4559344APyridine-pyrimidinone derivatives, a process for their production and H.sub. -antagonist medicament containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Dec 17, 1985·2 cites·35 claims
- 2345US5663381AProcess for preparing form 1 ranitidine hydrochlorideHEXAL PHARMACEUTICALS INC·Filed 1995·Granted Sep 2, 1997·10 cites·30 claims
- 2445US4912119AImidazolylguanidine derivatives and compositions containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1987·Granted Mar 27, 1990·4 cites·18 claims
- 2544US10294208B2Bendamustine derivatives and related compounds, and medical use thereof in cancer therapySCHICKANEDER HELMUT·Filed 2017·Granted May 21, 2019·0 cites·15 claims
- 2644US4732986ABenzothiazole derivatives, processes for their preparation and pharmaceutical compositions containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Mar 22, 1988·3 cites·6 claims
- 2741US5039675ABenzimidazoles and pharmaceutical preparations containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1990·Granted Aug 13, 1991·5 cites·6 claims
- 2840US4600721APharmaceutical preparationHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Jul 15, 1986·2 cites·24 claims
- 2937US4866066AThiomethylpyridine derivatives and their use for eliciting a bronchosecretolytic or mucolytic responseHEUMANN LUDWIG & CO GMBH·Filed 1987·Granted Sep 12, 1989·1 cites·20 claims
- 3037US4757080A1,4-dihydropyridine derivativesHEUMANN PHARMA GMBH & CO·Filed 1987·Granted Jul 12, 1988·2 cites·6 claims
- 3136US4647684AProcess for the production of 4-amino-6,7-dimethoxy-2-[4-(furo-2-yl)-piperazin-1-yl]-quinazoline and physiologically compatible salts thereofHEUMANN LUDWIG & CO GMBH·Filed 1984·Granted Mar 3, 1987·0 cites·1 claims
- 3235US4596811AHeterocyclic compounds, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1983·Granted Jun 24, 1986·1 cites·19 claims
- 3335US2013184471A1Process for the preparation of bendamustine hydrochloride and related compoundsAREVIPHARMA GMBH·Filed 2013·Application pending·0 cites
- 3434US5182294AImidazolyl propyl guanidine derivative and a pharmaceutical composition containing this compoundHEUMANN PHARMA GMBH & CO·Filed 1991·Granted Jan 26, 1993·1 cites·6 claims
- 3534US4948802AGuanidine carboxylic acid esters and pharmaceutical preparations containing these compoundsHEUMANN PHARMA GMBH & CO·Filed 1988·Granted Aug 14, 1990·1 cites·15 claims
- 3632US4738960A1,3,4-Thiadiazole derivatives and pharmaceutical preparations useful as inhibitors for histamine-H2 receptorsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Apr 19, 1988·1 cites·10 claims
- 3732US2003060657A1Process for the preparation of AceclofenacRUSSINSKY LTD·Filed 2002·Application pending·0 cites
- 3830US4727081A3,4-Diazole derivatives and pharmaceutical preparations containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Feb 23, 1988·1 cites·6 claims
- 3927US4833141A4-[4-[[2-(halophenyl)-2-[1H-tr:azol(or diazol)-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-piperazine-1-carbimic acids having antimycotic activityHEUMANN PHARMA GMBH & CO·Filed 1987·Granted May 23, 1989·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Helmut Schickaneder 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 →