Hans-Werner Michalczak

Person

Herne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the continuous preparation of (cyclo)aliphatic diisocya...
- Patent number 8,816,125
- Issue date Aug 26, 2014
- Evonik Degussa GmbH
- Hans-Werner Michalczak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic disocyanates
- Patent number 7,557,242
- Issue date Jul 7, 2009
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
- Patent number 7,420,080
- Issue date Sep 2, 2008
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
- Patent number 7,371,891
- Issue date May 13, 2008
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
- Patent number 7,339,074
- Issue date Mar 4, 2008
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
- Patent number 7,329,776
- Issue date Feb 12, 2008
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage continuous preparation of cycloaliphatic diisocyanates
- Patent number 7,307,186
- Issue date Dec 11, 2007
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous multi-stage process for the preparation of (cyclo) aliph...
- Patent number 5,360,931
- Issue date Nov 1, 1994
- Huels Aktiengesellschaft
- Gerd Bohmholdt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Circulation process for the production of aliphatic and cycloalipha...
- Patent number 5,087,739
- Issue date Feb 11, 1992
- Huels Aktiengesellschaft
- Gerd Bohmholdt
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ALIPHATIC, CYCLOALIPHATIC OR (CYCLO)ALIPHATIC DIISOCYANATES THAT AR...
- Publication number 20100168329
- Publication date Jul 1, 2010
- DEGUSSA GmbH
- Dirk Hoppe
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE CONTINUOUS PREPARATION OF (CYCLO)ALIPHATIC DIISOCYA...
- Publication number 20100036154
- Publication date Feb 11, 2010
- EVONIK DEGUSSA GmbH
- Hans-Werner Michalczak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20060025626
- Publication date Feb 2, 2006
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20050267310
- Publication date Dec 1, 2005
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20050250960
- Publication date Nov 10, 2005
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20050043561
- Publication date Feb 24, 2005
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20050043562
- Publication date Feb 24, 2005
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Multistage continuous preparation of cycloaliphatic diisocyanates
- Publication number 20050043563
- Publication date Feb 24, 2005
- Degussa AG
- Stephan Kohlstruk
- C07 - ORGANIC CHEMISTRY

Hans-Werner Michalczak

Person

Patents Grantslast 30 patents

Process for the continuous preparation of (cyclo)aliphatic diisocya...

Multistage continuous preparation of cycloaliphatic disocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Continuous multi-stage process for the preparation of (cyclo) aliph...

Circulation process for the production of aliphatic and cycloalipha...

Patents Applicationslast 30 patents

ALIPHATIC, CYCLOALIPHATIC OR (CYCLO)ALIPHATIC DIISOCYANATES THAT AR...

PROCESS FOR THE CONTINUOUS PREPARATION OF (CYCLO)ALIPHATIC DIISOCYA...

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates

Multistage continuous preparation of cycloaliphatic diisocyanates