Il; Hirofumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Il; Hirofumi.The latest application filed is for "process for preparing diaryl oxalate".
- Il; Hirofumi - Ube JP
- Il; Hirofumi - Ube-shi JP
| Patent | Date |
|---|---|
| Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus Grant 10,351,508 - Il , et al. July 16, 2 | 2019-07-16 |
| Infrared gas analysis device, and method for using same Grant 9,835,551 - Il , et al. December 5, 2 | 2017-12-05 |
| Ester production method and ester production device Grant 9,776,950 - Il , et al. October 3, 2 | 2017-10-03 |
| Method for producing nitrous acid ester, and method for producing dialkyl oxalate and dialkyl carbonate Grant 9,499,473 - Tanaka , et al. November 22, 2 | 2016-11-22 |
| Process For Preparing Diaryl Oxalate App 20120296063 - Tanaka; Shuji ; et al. | 2012-11-22 |
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