Stefan Hirschfeld

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Alpen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing an amine hydrochloride suspension
- Patent number 12,151,997
- Issue date Nov 26, 2024
- Covestro Intellectual Property GmbH & Co. KG
- Michael Merkel
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Producing Isocyanate-Terminated, Urethane Group-Containing Prepolymers
- Publication number 20240052085
- Publication date Feb 15, 2024
- COVESTRO DEUTSCHLAND AG
- Christoph Malbertz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Preparing an Amine Hydrochloride Suspension
- Publication number 20230271916
- Publication date Aug 31, 2023
- Covestro Intellectual Property GmbH & Co. KG
- Michael Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING AN AMINE HYDROCHLORIDE SUSPENSION
- Publication number 20200392074
- Publication date Dec 17, 2020
- Covestro Intellectual Property GmbH & Co. KG
- Michael Merkel
- C07 - ORGANIC CHEMISTRY