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Patent applications and USPTO patent grants for Maassen; Ralf.The latest application filed is for "reactor and process for preparing hydrogen sulphide".
Patent | Date |
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Reactor and process for preparing hydrogen sulphide Grant 9,649,615 - Finkeldei , et al. May 16, 2 | 2017-05-16 |
Reactor and process for preparing hydrogen sulphide Grant 9,630,843 - Finkeldei , et al. April 25, 2 | 2017-04-25 |
Reactor and process for preparing hydrogen sulphide Grant 9,440,208 - Finkeldei , et al. September 13, 2 | 2016-09-13 |
Reactor and process for preparing hydrogen sulphide Grant 9,421,511 - Finkeldei , et al. August 23, 2 | 2016-08-23 |
Reactor And Process For Preparing Hydrogen Sulphide App 20150209747 - Finkeldei; Caspar-Heinrich ;   et al. | 2015-07-30 |
Reactor And Process For Preparing Hydrogen Sulphide App 20150190775 - Finkeldei; Caspar-Heinrich ;   et al. | 2015-07-09 |
Reactor And Process For Preparing Hydrogen Sulphide App 20150175419 - Finkeldei; Caspar-Heinrich ;   et al. | 2015-06-25 |
Reactor And Process For Preparing Hydrogen Sulphide App 20150151271 - Finkeldei; Caspar-Heinrich ;   et al. | 2015-06-04 |
Process for the preparation of 2,3,5-trimethy1-p- benzoquinone App 20010041804 - Maassen, Ralf ;   et al. | 2001-11-15 |
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