Johan Stijntjes

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Alkmaar, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing aqueous dispersions of acrylic-urethane graft...
- Patent number 4,730,021
- Issue date Mar 8, 1988
- Polyvinyl Chemie Holland B.V.
- Walter M. W. Zom
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...