Manfred Hoffmann

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Kempen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preserving drinks
- Patent number 9,375,030
- Issue date Jun 28, 2016
- LANXESS Deutschland GmbH
- Manfred Hoffmann
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Preservatives based on carboxylic anhydrides
- Patent number 8,440,719
- Issue date May 14, 2013
- LANXESS Deutschland GmbH
- Johannes Kaulen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preservatives based on carboxylic anhydrides
- Patent number 8,207,224
- Issue date Jun 26, 2012
- LANXESS Deutchland GmbH
- Johannes Kaulen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PRESERVATIVES BASED ON CARBOXYLIC ANHYDRIDES
- Publication number 20120232154
- Publication date Sep 13, 2012
- Lanxess Deutschland GmbH
- Johannes Kaulen
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
PRESERVATIVE
- Publication number 20100021599
- Publication date Jan 28, 2010
- Lanxess Deutschland GmbH
- Martin Kugler
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
PRESERVATIVES BASED ON CARBOXYLIC ANHYDRIDES
- Publication number 20090264532
- Publication date Oct 22, 2009
- Lanxess Deutschland GmbH
- Johannes Kaulen
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES