Membership
Tour
Register
Log in
Werner Kannchen
Follow
Person
Duisburg, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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
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
Treating hydrolysis residues from preparation of titanium dioxide
Patent number
4,321,237
Issue date
Mar 23, 1982
Bayer Aktiengesellschaft
Peter Panek
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...