Peter Drinda

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning aqueous wastewater streams loaded with nitroben...
- Patent number 12,129,187
- Issue date Oct 29, 2024
- Covestro Deutschland AG
- Thomas Rosin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing nitrobenzene
- Patent number 11,136,285
- Issue date Oct 5, 2021
- Covestro Deutschland AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for producing chemical products with operation interruptions
- Patent number 10,513,487
- Issue date Dec 24, 2019
- Covestro Deutschland AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing nitrobenzene
- Patent number 10,023,524
- Issue date Jul 17, 2018
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of nitrobenzene
- Patent number 7,326,816
- Issue date Feb 5, 2008
- Bayer MaterialScience AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CLEANING AQUEOUS WASTEWATER STREAMS LOADED WITH NITROBEN...
- Publication number 20230234859
- Publication date Jul 27, 2023
- COVESTRO DEUTSCHLAND AG
- Thomas Rosin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR PRODUCING NITROBENZENE
- Publication number 20180346405
- Publication date Dec 6, 2018
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING NITROBENZENE
- Publication number 20170174612
- Publication date Jun 22, 2017
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR PRODUCING CHEMICAL PRODUCTS WITH OPERATION INTERRUPTIONS
- Publication number 20170152210
- Publication date Jun 1, 2017
- Covestro Deutschland AG
- Thomas KNAUF
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for the production of nitrobenzene
- Publication number 20070249873
- Publication date Oct 25, 2007
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY