Harry Elias

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic silver halide material with sulfonylphenol oil f...
- Patent number 4,898,811
- Issue date Feb 6, 1990
- Agfa-Gevaert Aktiengesellschaft
- Erich Wolff
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imino derivatives of 4-halogen-pyrazolone-5
- Patent number 4,812,576
- Issue date Mar 14, 1989
- Agfa-Gevaert Aktiengesellschaft
- Erich Wolff
- C07 - ORGANIC CHEMISTRY