Anke Hielscher

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing an isocyanate by partly adiabatic phosgenatio...
- Patent number 10,875,827
- Issue date Dec 29, 2020
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an isocyanate by partly adiabatically operate...
- Patent number 10,851,048
- Issue date Dec 1, 2020
- Covestro Deutschland AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the two-step production of dinitrotoluene
- Patent number 6,984,762
- Issue date Jan 10, 2006
- Bayer Aktiengesellschaft
- Erwin Dieterich
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR OPERATING A PLANT FOR CONTINUOUS PRODUCTION OF AN ISOCYA...
- Publication number 20230212109
- Publication date Jul 6, 2023
- COVESTRO DEUTSCHLAND AG
- Dietmar Wastian
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING DI- AND POLYISOCYANATES OF THE DIPHENYLMETHANE...
- Publication number 20230027482
- Publication date Jan 26, 2023
- COVESTRO DEUTSCHLAND AG
- Stefan Wershofen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...
- Publication number 20200148630
- Publication date May 14, 2020
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING AN ISOCYANATE BY PARTLY ADIABATICALLY OPERATE...
- Publication number 20200148629
- Publication date May 14, 2020
- COVESTRO DEUTSCHLAND AG
- Thomas Knauf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Enhanced process for the purification of anhydrous hydrogen chlorid...
- Publication number 20070261437
- Publication date Nov 15, 2007
- Eric F. Boonstra
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the two-step production of dinitrotoluene
- Publication number 20040267061
- Publication date Dec 30, 2004
- Erwin Dieterich
- C07 - ORGANIC CHEMISTRY