John Lohrenz

Follow

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Double metal cyanide catalysts for producing polyether polyols
- Patent number 7,008,900
- Issue date Mar 7, 2006
- Bayer Aktiengesellschaft
- Jörg Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Selection method for odorants
- Patent number 6,741,954
- Issue date May 25, 2004
- Symrise GmbH & Co. KG
- Steffen Sonnenberg
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Double metal cyanide catalysts for producing polyether polyols
- Patent number 6,586,566
- Issue date Jul 1, 2003
- Bayer Aktiengesellschaft
- Jörg Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Selection method for odorants
- Publication number 20030008788
- Publication date Jan 9, 2003
- Steffen Sonnenberg
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Selection method for aroma substances
- Publication number 20020152038
- Publication date Oct 17, 2002
- Steffen Sonnenberg
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Selection method for cosmetic auxiliaries
- Publication number 20020146441
- Publication date Oct 10, 2002
- Steffen Sonnenberg
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE