Inventor · disambiguated record
Siegfried Petersen
Also filed as: PETERSEN SIEGFRIED
4 granted patents·95 citations·filing 1973–1975
74Inventor score
Technology areasC07D
Files withBAYER AG4
Top patents by PatentIndex Score
4 records- 0195US4051252A3-aminoindazole-1 and 2-carboxylic acid derivativesBAYER AG·Filed 1975·Granted Sep 27, 1977·86 cites·30 claims
- 0256US3936447A7-Acylamino-desacetoxy-cephalosporanic acid esters and their productionBAYER AG·Filed 1974·Granted Feb 3, 1976·4 cites·28 claims
- 0354US3932409AUrethane derivatives of 2-phenyl-4(3H)-quinazolonesBAYER AG·Filed 1974·Granted Jan 13, 1976·4 cites·23 claims
- 0438US3931220Aβ-Phenyl-β-azolyl-nitroethanesBAYER AG·Filed 1973·Granted Jan 6, 1976·1 cites·4 claims
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