Detlef Hagena

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Stahle, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of aryl alkyl ethers
- Patent number 6,624,334
- Issue date Sep 23, 2003
- Haarmann & Reimer GmbH
- Efim Biller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized lactic acid menthyl ester
- Patent number 5,783,725
- Issue date Jul 21, 1998
- Haarmann & Reimer GmbH
- Walter Kuhn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Scents, and scent compositions containing them
- Patent number 4,814,322
- Issue date Mar 21, 1989
- Haarmann & Reimer GmbH
- Fritz Exner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Methyl-aldehydes, processes for their preparation and their use a...
- Patent number 4,263,459
- Issue date Apr 21, 1981
- Haarmann & Reimer GmbH
- Kurt Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Methyl-5-keto-.alpha.,.omega.-alkenedioic acids and esters
- Patent number 4,259,518
- Issue date Mar 31, 1981
- Bayer Aktiengesellschaft
- Kurt Bauer
- C07 - ORGANIC CHEMISTRY