Heinrich W. Langenkamp

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Patents Grantslast 30 patents

Information Patent Grant
Desulphurization of waste gases
- Patent number 5,674,464
- Issue date Oct 7, 1997
- European Economic Community
- Daniel Van Velzen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydroxylamine from NO.sub.x -containing flue...
- Patent number 5,489,421
- Issue date Feb 6, 1996
- Europaische Atomgemeinschaft (Euratom)
- Daniel Van Velzen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the removal of hydrogen sulfide and/or carbon disulfide...
- Patent number 5,433,828
- Issue date Jul 18, 1995
- European Atomic Energy Community (Euratom)
- Daniel van Velzen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for removing nitrogen compounds from a liquid
- Patent number 5,354,436
- Issue date Oct 11, 1994
- European Atomic Energy Community (Euratom)
- Daniel Van Velzen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and a device for flue gas desulphurization
- Patent number 4,668,490
- Issue date May 26, 1987
- European Atomic Energy Community
- Daniel van Velzen
- C01 - INORGANIC CHEMISTRY