- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/38 - Preparation of carboxylic acid esters by reaction with carbon monoxide or formates by addition to an unsaturated carbon-to-carbon bond
Patent holdings for IPC class C07C 67/38
Total number of patents in this class: 135
10-year publication summary
|
15
|
11
|
6
|
5
|
6
|
11
|
4
|
10
|
10
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Oxeno GmbH & Co. KG | 369 |
46 |
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
7 |
| Sumitomo Chemical Company, Limited | 8965 |
6 |
| DSM IP Assets B.V. | 5387 |
5 |
| Dow Global Technologies LLC | 11051 |
5 |
| Lucite International UK Limited | 43 |
4 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 198 |
4 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 689 |
3 |
| Eastman Chemical Company | 2114 |
3 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 204 |
3 |
| Mitsubishi Chemical UK Limited | 85 |
3 |
| BASF SE | 21320 |
2 |
| Agency for Science, Technology and Research | 3765 |
2 |
| Battelle Memorial Institute | 2610 |
2 |
| Firmenich SA | 1776 |
2 |
| JX Nippon Oil & Energy Corporation | 978 |
2 |
| Marquette University | 174 |
2 |
| Sun Yat-sen University | 736 |
2 |
| Ube Industries, Ltd. | 765 |
2 |
| Nanjing Chengzhi Clean Energy Co. Ltd. | 2 |
2 |
| Other owners | 28 |