Inventor · disambiguated record
Johannes Niggemann
Also filed as: NIGGEMANN JOHANNES
9 granted patents·102 citations·filing 1974–1983
88Inventor score
Files withBAYER AG9
Top patents by PatentIndex Score
9 records- 0184US4283219AAgrochemical agents and their useBAYER AG·Filed 1979·Granted Aug 11, 1981·23 cites·34 claims
- 0278US4334905AAgrochemical agents and their useBAYER AG·Filed 1980·Granted Jun 15, 1982·28 cites·5 claims
- 0378US4167405AFertilizers for supplying plants with ironBAYER AG·Filed 1977·Granted Sep 11, 1979·10 cites·7 claims
- 0471US4589906AInorganic depot fertilizersBAYER AG·Filed 1983·Granted May 20, 1986·16 cites·8 claims
- 0550US3970618AProcess for the production of polyurethane foamsBAYER AG·Filed 1974·Granted Jul 20, 1976·12 cites·3 claims
- 0646US4141714AFertilizers for supplying plants with micronutrientsBAYER AG·Filed 1978·Granted Feb 27, 1979·2 cites·33 claims
- 0745US4053296AFerrocene derivative for supplying plants with ironBAYER AG·Filed 1976·Granted Oct 11, 1977·4 cites·18 claims
- 0840US4322237APreserving cut flowers with N-(trifluoromethyl)-N-(dichlorofluoromethylsulphenyl)-aminobenzoic acidsBAYER AG·Filed 1980·Granted Mar 30, 1982·1 cites·9 claims
- 0940US4047921ATreating micro-nutrient deficiencies in plantsBAYER AG·Filed 1976·Granted Sep 13, 1977·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →