Groenendaal; Willem
Patent Applications and Registrations
Patent applications and USPTO patent grants for Groenendaal; Willem.The latest application filed is for "process for working-up hydrogen sulphide-containing gases".
- Groenendaal; Willem - The Hague NL
| Patent | Date |
|---|---|
| Process for working-up hydrogen sulphide-containing gases Grant 4,263,270 - Groenendaal , et al. April 21, 1 | 1981-04-21 |
| Process for H.sub.2 S removal employing a regenerable polyalkanolamine adsorbent Grant 4,001,386 - Klein , et al. January 4, 1 | 1977-01-04 |
| Removal of sulfur oxides and particulate matter from waste gas streams Grant 3,966,879 - Groenendaal , et al. June 29, 1 | 1976-06-29 |
| Process for reducing total sulfur content of claus off-gases Grant 3,947,547 - Groenendaal , et al. March 30, 1 | 1976-03-30 |
| Combined Sulfur Oxides Acceptance-sulfur Recovery Process Grant 3,764,665 - Groenendaal , et al. October 9, 1 | 1973-10-09 |
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