Christian DRUMM

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Frohnhofen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyaspartic acid ester compositions and method for purification
- Patent number 10,968,165
- Issue date Apr 6, 2021
- Covestro Deutschland AG
- Dorota Greszta-Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Distributor device, in particular for falling film evaporators, and...
- Patent number 10,894,222
- Issue date Jan 19, 2021
- Covestro Deutschland AG
- Christian Drumm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE CONTINUOUS PRODUCTION OF NITROBENZENE
- Publication number 20220169592
- Publication date Jun 2, 2022
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS AND DEVICE FOR PRODUCING NITROBENZENE
- Publication number 20220162151
- Publication date May 26, 2022
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING POLYISOCYANATES CONTAINING URETHANE GROUPS
- Publication number 20210284787
- Publication date Sep 16, 2021
- Covestro Intellectual Property GmbH & Co. KG
- Michael Merkel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYASPARTIC ACID ESTER COMPOSITIONS AND METHOD FOR PURIFICATION
- Publication number 20200223787
- Publication date Jul 16, 2020
- COVESTRO DEUTSCHLAND AG
- Dorota Greszta-Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DISTRIBUTOR DEVICE, IN PARTICULAR FOR FALLING FILM EVAPORATORS, AND...
- Publication number 20200030712
- Publication date Jan 30, 2020
- COVESTRO DEUTSCHLAND AG
- Christian DRUMM
- C07 - ORGANIC CHEMISTRY