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Johannes Niggemann
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Leverkusen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Inorganic depot fertilizers
Patent number
4,589,906
Issue date
May 20, 1986
Bayer Aktiengesellschaft
Horst Brunn
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Agrochemical agents and their use
Patent number
4,334,905
Issue date
Jun 15, 1982
Bayer Aktiengesellschaft
Kuno Wagner
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Agrochemical agents and their use
Patent number
4,283,219
Issue date
Aug 11, 1981
Bayer Aktiengesellschaft
Kuno Wagner
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Fertilizers for supplying plants with iron
Patent number
4,167,405
Issue date
Sep 11, 1979
Bayer Aktiengesellschaft
Volker Mues
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Fertilizers for supplying plants with micronutrients
Patent number
4,141,714
Issue date
Feb 27, 1979
Bayer Aktiengesellschaft
Volker Mues
C07 - ORGANIC CHEMISTRY