Willem Groenendaal

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The Hague, NL

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Patents Grantslast 30 patents

Information Patent Grant
Process for working-up hydrogen sulphide-containing gases
- Patent number 4,263,270
- Issue date Apr 21, 1981
- Shell Oil Company
- Willem Groenendaal
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of sulfur oxides and particulate matter from waste gas streams
- Patent number 4,004,885
- Issue date Jan 25, 1977
- Shell Oil Company
- Willem Groenendaal
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for H.sub.2 S removal employing a regenerable polyalkanolam...
- Patent number 4,001,386
- Issue date Jan 4, 1977
- Shell Oil Company
- Johannes P. Klein
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of sulfur oxides and particulate matter from waste gas streams
- Patent number 3,966,879
- Issue date Jun 29, 1976
- Shell Oil Company
- Willem Groenendaal
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for reducing total sulfur content of claus off-gases
- Patent number 3,947,547
- Issue date Mar 30, 1976
- Shell Oil Company
- Willem Groenendaal
- C01 - INORGANIC CHEMISTRY