Robert J. van Wijk

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Arnhem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for determining the dye uptake of polyethylene terephthalat...
- Patent number 6,710,869
- Issue date Mar 23, 2004
- Acordis Industrial Fibers GmbH
- Anton P. De Weijer
- G01 - MEASURING TESTING
Information Patent Grant
Technique for measuring properties of polymeric fibres
- Patent number 6,423,262
- Issue date Jul 23, 2002
- Akzo Nobel N.V.
- Robert Jan Van Wijk
- G01 - MEASURING TESTING
Information Patent Grant
Fabry-perot with device mirrors including a dielectric coating outs...
- Patent number 5,381,232
- Issue date Jan 10, 1995
- Akzo Nobel N.V.
- Robert J. van Wijk
- G02 - OPTICS