J org Siegel

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic silver halide material
- Patent number 5,571,664
- Issue date Nov 5, 1996
- AGFA-Gevaert AG
- J org Siegel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Colour print material with variable gradation
- Patent number 5,547,818
- Issue date Aug 20, 1996
- AGFA-Gevaert AG
- Otto Lapp
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY