Peter Lehner

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Mulheim an der Ruhr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and a system for separating and treating impurities from a h...
- Patent number 11,267,703
- Issue date Mar 8, 2022
- Covestro Deutschland AG
- Andre Rittermeier
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Aniline purification process
- Patent number 10,889,539
- Issue date Jan 12, 2021
- Covestro Deutschland AG
- Michael Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing diisocyanates in the gas phase
- Patent number 10,040,753
- Issue date Aug 7, 2018
- Covestro Deutschland AG
- Peter Lehner
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ANILINE PURIFICATION PROCESS
- Publication number 20200123097
- Publication date Apr 23, 2020
- COVESTRO DEUTSCHLAND AG
- Michael Merkel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A METHOD AND A SYSTEM FOR SEPARATING AND TREATING IMPURITIES FROM A...
- Publication number 20190194018
- Publication date Jun 27, 2019
- COVESTRO DEUTSCHLAND AG
- Andre RITTERMEIER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING DIISOCYANATES IN THE GAS PHASE
- Publication number 20180179149
- Publication date Jun 28, 2018
- COVESTRO DEUTSCHLAND AG
- Peter Lehner
- C07 - ORGANIC CHEMISTRY