Karl Franz

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Barsinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a red emitting phosphor coated with...
- Patent number 4,297,390
- Issue date Oct 27, 1981
- Riedel-de Haen Aktiengesellschaft
- Karl Franz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fluorescent inorganic pigment
- Patent number 4,167,417
- Issue date Sep 11, 1979
- Riedel-de Haen Aktiengesellschaft
- Karl Franz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE