Johannes D. M. Verstegen

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Sittard, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of methyl tertiary butyl ether
- Patent number 4,554,386
- Issue date Nov 19, 1985
- Stamicarbon B.V.
- Christiaan Groeneveld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of styrene from cracked hydrocarbon fractions
- Patent number 4,115,208
- Issue date Sep 19, 1978
- Stamicarbon, B.V.
- Johannes D. M. Verstegen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cyanic acid
- Patent number 3,970,742
- Issue date Jul 20, 1976
- Stamicarbon B.V.
- Johannes D. M. Verstegen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing urea from ammonia and carbon dioxide
- Patent number 3,957,868
- Issue date May 18, 1976
- Stamicarbon, B.V.
- Johannes D. M. Verstegen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing alkali metal and alkaline-earth metal cyanates
- Patent number 3,950,497
- Issue date Apr 13, 1976
- Stamicarbon B.V.
- Johannes D. M. Verstegen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing urea
- Patent number 3,936,500
- Issue date Feb 3, 1976
- Unie Van Kunstmestfabrieken, B.V.
- Petrus J. C. Kaasenbrood
- C07 - ORGANIC CHEMISTRY