Lokum; Heinrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lokum; Heinrich.The latest application filed is for "process for the production of isocyanates".
- Lokum; Heinrich - Kerpen DE
| Patent | Date |
|---|---|
| Process For The Production Of Isocyanates App 20100298596 - Keggenhoff; Berthold ; et al. | 2010-11-25 |
| Process and apparatus for the production of phosgene Grant 7,442,835 - Keggenhoff , et al. October 28, 2 | 2008-10-28 |
| Process for the production of isocyanates App 20070265465 - Keggenhoff; Berthold ; et al. | 2007-11-15 |
| Process and apparatus for the production of phosgene App 20060047170 - Keggenhoff; Berthold ; et al. | 2006-03-02 |
| Process for the purification of mixtures of toluenediisocyanate Grant 6,803,483 - Lokum , et al. October 12, 2 | 2004-10-12 |
| Process for the purification of mixtures of toluenediisocyanate App 20030233013 - Lokum, Heinrich ; et al. | 2003-12-18 |
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