Ulrike Pitzer

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Use of synthetic, iron raw materials for preparing iron oxide pigments
- Patent number 6,086,846
- Issue date Jul 11, 2000
- Bayer AG
- Wilfried Burow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Non-silking iron oxide yellow pigments with high color density
- Patent number 6,053,972
- Issue date Apr 25, 2000
- Bayer AG
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Highly transparent, yellow iron oxide pigments, process for the pro...
- Patent number 5,885,545
- Issue date Mar 23, 1999
- Bayer AG
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Very highly transparent yellow iron oxide pigments, a process for t...
- Patent number 5,879,441
- Issue date Mar 9, 1999
- Bayer AG
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Use of synthetic, iron raw materials for preparing iron oxide pigments
- Patent number 5,837,216
- Issue date Nov 17, 1998
- Bayer AG
- Wilfried Burow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Highly transparent, red iron oxide pigments, process for the produc...
- Patent number 5,614,012
- Issue date Mar 25, 1997
- Bayer Aktiengesellschaft
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Transparent iron oxide pigments, processes for their production and...
- Patent number 5,368,640
- Issue date Nov 29, 1994
- Bayer AG
- Ulrike Pitzer
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Silicon nitride powders of low isoelectric point and processes for...
- Patent number 5,066,473
- Issue date Nov 19, 1991
- Bayer Aktiengesellschaft
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Silicon nitride powders with improved surface properties and proces...
- Patent number 5,030,434
- Issue date Jul 9, 1991
- Bayer Aktiengesellschaft
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Silicon nitride powder of low oxygen content
- Patent number 4,983,371
- Issue date Jan 8, 1991
- Bayer Aktiengesellschaft
- Ulrike Pitzer
- C01 - INORGANIC CHEMISTRY

Ulrike Pitzer

Person

Patents Grantslast 30 patents

Use of synthetic, iron raw materials for preparing iron oxide pigments

Non-silking iron oxide yellow pigments with high color density

Highly transparent, yellow iron oxide pigments, process for the pro...

Very highly transparent yellow iron oxide pigments, a process for t...

Use of synthetic, iron raw materials for preparing iron oxide pigments

Highly transparent, red iron oxide pigments, process for the produc...

Transparent iron oxide pigments, processes for their production and...

Silicon nitride powders of low isoelectric point and processes for...

Silicon nitride powders with improved surface properties and proces...

Silicon nitride powder of low oxygen content