Hans-Jürgen Niemeyer

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Holzminden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying cannabinoid compounds
- Patent number 10,647,691
- Issue date May 12, 2020
- Symrise AG
- Harry Erfurt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antioxidant composition
- Patent number 9,078,872
- Issue date Jul 14, 2015
- Symrise AG
- Harry Erfurt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PURIFYING CANNABINOID COMPOUNDS
- Publication number 20190144414
- Publication date May 16, 2019
- SYMRISE AG
- Harry ERFURT
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ANTIOXIDANT COMPOSITION
- Publication number 20140309294
- Publication date Oct 16, 2014
- Harry Erfurt
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES