Inventor · disambiguated record
Klaus Erhardt
Also filed as: ERHARDT KLAUS
10 granted patents·180 citations·filing 1974–2002
90Inventor score
Top patents by PatentIndex Score
10 records- 0193US6139596ANitrification inhibitors and the use of polyacids to treat mineral fertilizers containing a nitrification inhibitorBASF AG·Filed 1997·Granted Oct 31, 2000·63 cites·11 claims
- 0281US6488734B1Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizersBASF AG·Filed 2000·Granted Dec 3, 2002·38 cites·7 claims
- 0375US6287359B1Granule mixtures composed of coated and non-coated fertilizer granulesK & S AG·Filed 1997·Granted Sep 11, 2001·34 cites·25 claims
- 0468US6413292B1Use of an aqueous dispersion from a biodegradable polyester as a sheathing material for granulated fertilizerBASF AG·Filed 1997·Granted Jul 2, 2002·24 cites·20 claims
- 0565US6489438B1Fertilizer formulations comprising polysulfonic acidsCOMPO GMBH & CO KG·Filed 2000·Granted Dec 3, 2002·8 cites·7 claims
- 0662US6500222B2Diureides and their useBASF AG·Filed 2001·Granted Dec 31, 2002·3 cites·4 claims
- 0755US6353134B1Diureides and their useBASF AG·Filed 2000·Granted Mar 5, 2002·1 cites·6 claims
- 0848US6802882B2Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizersBASF AG·Filed 2002·Granted Oct 12, 2004·6 cites·2 claims
- 0946US6022979AProcess for preparing pyrazolesBASF AG·Filed 1999·Granted Feb 8, 2000·3 cites·11 claims
- 1032US3996220AProduction of 4-oxotetrahydro-1,3,5-oxadiazinesBASF AG·Filed 1974·Granted Dec 7, 1976·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →