Wilhelmus J. van Rhijn

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Venlo, NL

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Patents Grantslast 30 patents

Information Patent Grant
Dispersion-heat process employing hydrophobic silica for producing...
- Patent number 4,345,015
- Issue date Aug 17, 1982
- OCE-van der Grinten N.V.
- Roelof R. Hendriksma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductive element based on mixed zinc oxides
- Patent number 4,223,084
- Issue date Sep 16, 1980
- OCE-van der Grinten N.V.
- Wilhelmus M. M. Peeters
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY