Thomas Voigt

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Langenfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing low-monomer-content organic polyisocyanates
- Patent number 8,293,937
- Issue date Oct 23, 2012
- Bayer MaterialScience AG
- Martin Brahm
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR RECOVERING DIISOCYANATES FROM DISTILLATION RESIDUES
- Publication number 20230050973
- Publication date Feb 16, 2023
- COVESTRO DEUTSCHLAND AG
- Anna-Marie Zorn
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR EXTRACTING DIISOCYANATES FROM DISTILLATION RESIDUES
- Publication number 20210284603
- Publication date Sep 16, 2021
- COVESTRO DEUTSCHLAND AG
- Claudine STOYE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR RECOVERING DIISOCYANATES FROM DISTILLATION RESIDUES
- Publication number 20210276944
- Publication date Sep 9, 2021
- COVESTRO DEUTSCHLAND AG
- Anna-Marie Zorn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing low-monomer-content organic polyisocyanates
- Publication number 20090156778
- Publication date Jun 18, 2009
- Bayer Material Science AG
- Martin Brahm
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...