- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/02 - Preparation of carboxylic acids or their salts, halides, or anhydrides from salts of carboxylic acids
Patent holdings for IPC class C07C 51/02
Total number of patents in this class: 280
10-year publication summary
|
15
|
9
|
14
|
11
|
11
|
14
|
22
|
21
|
13
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purac Biochem B.V. | 485 |
38 |
| Innovator Energy LLC | 66 |
18 |
| Nitto Denko Corporation | 8337 |
9 |
| BASF SE | 21053 |
8 |
| E. I. du Pont de Nemours and Company | 3967 |
8 |
| BioAmber S.A.S. | 20 |
8 |
| Avantium Knowledge Centre B.V. | 192 |
8 |
| Triple W Ltd. | 19 |
5 |
| BioAmber S.A.S. | 7 |
4 |
| Roquette Freres | 1035 |
4 |
| Cathay Biotech Inc. | 95 |
4 |
| Zeco, LLC | 34 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6500 |
3 |
| JSR Corporation | 2533 |
3 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2389 |
3 |
| Oxea GmbH | 75 |
3 |
| ThyssenKrupp Industrial Solutions AG | 632 |
3 |
| Cibt America Inc. | 98 |
3 |
| Nouryon Chemicals International B.V. | 613 |
3 |
| Yibin Tianyuan Group Co., Ltd. | 3 |
3 |
| Other owners | 138 |