Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus
US-10351508-B2 · Jul 16, 2019 · US
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Il Hirofumi patents
Il Hirofumi is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Il Hirofumi |
| Total patents | 4 |
| First publication | Nov 22, 2016 |
| Latest publication | Jul 16, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Infrared gas analysis device, and method for using same
US-9835551-B2 · Dec 5, 2017 · US
Ester production method and ester production device
US-9776950-B2 · Oct 3, 2017 · US
Method for producing nitrous acid ester, and method for producing dialkyl oxalate and dialkyl carbonate
US-9499473-B2 · Nov 22, 2016 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Ube Industries | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C07C69/96 | 2 |
| C07C67/36 | 2 |
| C07C68/00 | 2 |
| C07C68/08 | 1 |
| G01N33/0036 | 1 |