Freyberger; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Freyberger; Ralf.The latest application filed is for "process for preparing tetrahydrofuran".
- Freyberger; Ralf - Shanghai N/A CN
- Freyberger; Ralf - Kuantan MY
| Patent | Date |
|---|---|
| Process for separating off fumaric acid and other minor components during the production of maleic anhydride Grant 8,476,463 - Windecker , et al. July 2, 2 | 2013-07-02 |
| Process For Preparing Tetrahydrofuran App 20110245517 - Windecker; Gunther ; et al. | 2011-10-06 |
| Process For Separating Off Fumaric Acid And Other Minor Components During The Production Of Maleic Anhydride App 20110021789 - Windecker; Gunther ; et al. | 2011-01-27 |
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