Ingo Schwirtlich

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of semiconductor foils and their use
- Patent number 5,490,477
- Issue date Feb 13, 1996
- Bayer Aktiengesellschaft
- Philippe Knauth
- C30 - CRYSTAL GROWTH
Information Patent Grant
Silicon for solar cells, a process for the preparation thereof, and...
- Patent number 5,431,743
- Issue date Jul 11, 1995
- Bayer AG
- Ingo Schwirtlich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the production of metal wafers and the use of silicon w...
- Patent number 5,298,109
- Issue date Mar 29, 1994
- Bayer Aktiengesellschaft
- Philippe Knauth
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the melting and directional solidification of metals
- Patent number 5,013,393
- Issue date May 7, 1991
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the production of solar silicon
- Patent number 4,919,913
- Issue date Apr 24, 1990
- Bayer Aktiengesellschaft
- Gunter Kurz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Continuous process for refining silicon
- Patent number 4,900,532
- Issue date Feb 13, 1990
- Bayer Aktiengesellschaft
- Gunter Kurz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of low carbon silicon
- Patent number 4,877,596
- Issue date Oct 31, 1989
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for refining silicon and silicon purified thereby
- Patent number 4,837,376
- Issue date Jun 6, 1989
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Strip-shaped films of metals, a process and an apparatus for the pr...
- Patent number 4,790,871
- Issue date Dec 13, 1988
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C30 - CRYSTAL GROWTH
Information Patent Grant
Materials resistant to metal and salt melts, their production and t...
- Patent number 4,755,220
- Issue date Jul 5, 1988
- Bayer Aktiengesellschaft
- Peter Woditsch
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process and apparatus for producing semi-conductor foils
- Patent number 4,670,096
- Issue date Jun 2, 1987
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the production of coarsely crystalline silicon
- Patent number 4,561,930
- Issue date Dec 31, 1985
- Bayer Aktiengesellschaft
- Ingo Schwirtlich
- C30 - CRYSTAL GROWTH

Ingo Schwirtlich

Person

Patents Grantslast 30 patents

Process for the production of semiconductor foils and their use

Silicon for solar cells, a process for the preparation thereof, and...

Process for the production of metal wafers and the use of silicon w...

Process for the melting and directional solidification of metals

Process for the production of solar silicon

Continuous process for refining silicon

Process for the production of low carbon silicon

Process for refining silicon and silicon purified thereby

Strip-shaped films of metals, a process and an apparatus for the pr...

Materials resistant to metal and salt melts, their production and t...

Process and apparatus for producing semi-conductor foils

Process for the production of coarsely crystalline silicon