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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display element
- Patent number 4,398,803
- Issue date Aug 16, 1983
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ludwig Pohl
- G02 - OPTICS
Information Patent Grant
Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and...
- Patent number 4,331,552
- Issue date May 25, 1982
- Merck Patent Gesellschaft mit beschrankter Haftung
- Rudolf Eidenschink
- C07 - ORGANIC CHEMISTRY