Inventor · disambiguated record
Walter Liebenow
Also filed as: LIEBENOW WALTER · LIEBENOW WALTER OTTO
5 granted patents·16 citations·filing 1974–1985
72Inventor score
Files withHEUMANN LUDWIG & CO GMBH5
Top patents by PatentIndex Score
5 records- 0164US4180578A2,4-Diamino-5-(4'-methylthio)benzylpyrimidenes, compounds, compositions and method of useHEUMANN LUDWIG & CO GMBH·Filed 1978·Granted Dec 25, 1979·5 cites·9 claims
- 0260US4697035AProcess for the preparation of basically substituted phenylacetonitrilesHEUMANN LUDWIG & CO GMBH·Filed 1985·Granted Sep 29, 1987·8 cites·11 claims
- 0347US3992379A4-Alkyldioxyalkylene-5-benzylpyrimidinesHEUMANN LUDWIG & CO GMBH·Filed 1974·Granted Nov 16, 1976·3 cites·3 claims
- 0424US4420488AQuaternary 1,1-diphenyl-4-pyrrolidinium-2-butyne salts, a process for their production and medicaments containing these compoundsHEUMANN LUDWIG & CO GMBH·Filed 1981·Granted Dec 13, 1983·0 cites·3 claims
- 0524US4125721AProcess for the production of 2,4-diamino-5-(3',4',5'-trimethoxybenzyl)-pyrimidineHEUMANN LUDWIG & CO GMBH·Filed 1977·Granted Nov 14, 1978·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →