- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
Patent holdings for IPC class C07C 51/09
Total number of patents in this class: 669
10-year publication summary
|
66
|
64
|
64
|
57
|
56
|
57
|
43
|
56
|
42
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novomer, Inc. | 198 |
38 |
| INEOS Acetyls UK Limited | 57 |
20 |
| BP Chemicals Limited | 112 |
19 |
| Eastman Chemical Company | 2239 |
18 |
| BASF SE | 19740 |
15 |
| Arkema France | 3790 |
15 |
| The Procter & Gamble Company | 22178 |
11 |
| Novamont S.p.A. | 354 |
11 |
| Chevron Phillips Chemical Company LP | 1779 |
10 |
| Celanese International Corporation | 879 |
9 |
| Wilmar Trading Pte. Ltd. | 133 |
9 |
| DSM IP Assets B.V. | 5856 |
8 |
| LG Chem, Ltd. | 17205 |
6 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 27 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Apeel Technology, Inc., DBA Apeel Sciences, Inc. | 165 |
5 |
| Chiesi Farmaceutici S.p.A. | 940 |
5 |
| Nissan Chemical Industries, Ltd. | 1822 |
5 |
| Transitions Optical, Inc. | 317 |
5 |
| Other owners | 444 |