- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/14 - Preparation of carboxylic acid esters from carboxylic acid halides
Patent holdings for IPC class C07C 67/14
Total number of patents in this class: 251
10-year publication summary
|
26
|
22
|
23
|
20
|
21
|
17
|
8
|
17
|
12
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
14 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
12 |
| Zeon Corporation | 3854 |
8 |
| 3m Innovative Properties Company | 18406 |
7 |
| University of Southern California | 2016 |
7 |
| FUJIFILM Corporation | 27102 |
5 |
| Idemitsu Kosan Co., Ltd. | 3995 |
5 |
| Central Glass Company, Limited | 1244 |
5 |
| Asahi Glass Company, Limited | 2985 |
4 |
| Bromine Compounds Ltd. | 196 |
4 |
| DIC Corporation | 3597 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Horizon Therapeutics, LLC | 25 |
3 |
| Lead Chemical Co., Ltd. | 28 |
3 |
| Lonza Ltd. | 609 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
3 |
| Agc, Inc. | 4029 |
3 |
| Merck Sharp & Dohme LLC | 3689 |
3 |
| Bayer Cropscience AG | 2241 |
2 |
| Other owners | 150 |