Paul de Witte

Follow

Person

Westkapelle, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Device for making alkali metal phosphates by spraying alkali metal...
- Patent number 4,592,803
- Issue date Jun 3, 1986
- Hoechst Aktiengesellschaft
- Ben Damman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making alkali metal polyphosphates
- Patent number 4,534,946
- Issue date Aug 13, 1985
- Hoechst Aktiengesellschaft
- Ben Damman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and device for making alkali metal phosphates by spraying a...
- Patent number 4,501,639
- Issue date Feb 26, 1985
- Hoechst Aktiengesellschaft
- Ben Damman
- C01 - INORGANIC CHEMISTRY