Hans-Jurgen Michel

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Machem, DE

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Patents Grantslast 30 patents

Information Patent Grant
N-phenylphosphoric acid triamides, method for the production thereo...
- Patent number 7,855,189
- Issue date Dec 21, 2010
- SKW Stickstoffwerke Piesteritz GmbH
- André Hucke
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Combination of active ingredients for inhibiting or controlling nit...
- Patent number 6,066,190
- Issue date May 23, 2000
- SKW Stickstoffwerke
- Margrit Grabarse
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Combinations of active ingredients for inhibiting or controlling ni...
- Patent number 5,951,736
- Issue date Sep 14, 1999
- SKW Stickstoffwerke Piesteritz GmbH
- Margrit Grabarse
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Combination of active ingredients for inhibiting or controlling amm...
- Patent number 5,741,345
- Issue date Apr 21, 1998
- SKW Stickstoffwerke Piesteritz GmbH
- Margrit Grabarse
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Agent combinations to inhibit or control nitrification of ammonia n...
- Patent number 5,637,131
- Issue date Jun 10, 1997
- SKW Stickstoffwerke Piesteritz GmbH
- Hans J. Michel
- C05 - FERTILISERS MANUFACTURE THEREOF

Patents Applicationslast 30 patents

Information Patent Application
N-Phenylphosphoric Acid Triamides, Method for the Production Thereo...
- Publication number 20080070871
- Publication date Mar 20, 2008
- Andre Hucke
- C05 - FERTILISERS MANUFACTURE THEREOF