Hans-Peter Schal

Person

Dormagen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the distillation of a mixture of isomeric diisocyanatod...
- Patent number 7,649,108
- Issue date Jan 19, 2010
- Bayer MaterialScience AG
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the distillation of a mixture of isomeric diisocyanatod...
- Patent number 7,521,576
- Issue date Apr 21, 2009
- Bayer MaterialScience AG
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of toluene diisocyanate incorporating...
- Patent number 7,108,770
- Issue date Sep 19, 2006
- Bayer Aktiengesellschaft
- Marcus Paul Grün
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 1,5-dinitronaphthalene
- Patent number 6,992,230
- Issue date Jan 31, 2006
- Bayer MaterialScience AG
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isomeric separation of isocyanates
- Patent number 6,271,414
- Issue date Aug 7, 2001
- Bayer Aktiengesellschaft
- Rüdiger Drope
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polynuclear aromatic polyamines
- Patent number 5,359,141
- Issue date Oct 25, 1994
- Bayer Aktiengesellschaft
- Hartmut Knofel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polynuclear aromatic polyamines
- Patent number 5,196,591
- Issue date Mar 23, 1993
- Bayer Aktiengesellschaft
- Hartmut Knofel
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the distillation of a mixture of isomeric diisocyanatod...
- Publication number 20060173206
- Publication date Aug 3, 2006
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the production of 1,5-dinitronaphthalene
- Publication number 20050107646
- Publication date May 19, 2005
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the distillation of a mixture of isomeric diisocyanatod...
- Publication number 20040236139
- Publication date Nov 25, 2004
- Hans-Peter Schal
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the purification of toluenediisocyanate incorporating a...
- Publication number 20040118672
- Publication date Jun 24, 2004
- Marcus Paul Grun
- C07 - ORGANIC CHEMISTRY

Hans-Peter Schal

Person

Patents Grantslast 30 patents

Process for the distillation of a mixture of isomeric diisocyanatod...

Process for the distillation of a mixture of isomeric diisocyanatod...

Process for the purification of toluene diisocyanate incorporating...

Process for the production of 1,5-dinitronaphthalene

Process for the isomeric separation of isocyanates

Process for the production of polynuclear aromatic polyamines

Process for the production of polynuclear aromatic polyamines

Patents Applicationslast 30 patents

Process for the distillation of a mixture of isomeric diisocyanatod...

Process for the production of 1,5-dinitronaphthalene

Process for the distillation of a mixture of isomeric diisocyanatod...

Process for the purification of toluenediisocyanate incorporating a...