- All sections
- C - Chemistrymetallurgy
- 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: 256
10-year publication summary
|
22
|
23
|
20
|
21
|
17
|
8
|
17
|
12
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3412 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5571 |
12 |
| University of Southern California | 2096 |
8 |
| 3m Innovative Properties Company | 17861 |
7 |
| Zeon Corporation | 4063 |
7 |
| FUJIFILM Corporation | 29151 |
5 |
| Idemitsu Kosan Co., Ltd. | 4132 |
5 |
| Bromine Compounds Ltd. | 189 |
4 |
| Central Glass Company, Limited | 1260 |
4 |
| DIC Corporation | 3729 |
4 |
| Sumitomo Chemical Company, Limited | 9005 |
3 |
| Dow Global Technologies LLC | 10306 |
3 |
| Asahi Glass Company, Limited | 2828 |
3 |
| Horizon Therapeutics, LLC | 25 |
3 |
| Lead Chemical Co., Ltd. | 27 |
3 |
| Lonza Ltd. | 607 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1528 |
3 |
| Agc, Inc. | 4681 |
3 |
| Merck Sharp & Dohme LLC | 3724 |
3 |
| Bayer Cropscience AG | 2078 |
2 |
| Other owners | 154 |