- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
Patent holdings for IPC class C07C 253/30
Total number of patents in this class: 886
10-year publication summary
|
62
|
60
|
54
|
57
|
45
|
65
|
50
|
40
|
39
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
31 |
| Arkema France | 4242 |
20 |
| Sumitomo Chemical Company, Limited | 9016 |
18 |
| Mitsui Chemicals, Inc. | 3246 |
13 |
| Henkel AG & Co. KGaA | 10770 |
12 |
| Soochow University | 1781 |
12 |
| LG Chem, Ltd. | 17921 |
11 |
| DSM IP Assets B.V. | 5379 |
11 |
| University of Florida Research Foundation, Inc. | 4174 |
11 |
| F. Hoffmann-La Roche AG | 7837 |
10 |
| Les Laboratoires Servier | 496 |
9 |
| Centre National de La Recherche Scientifique | 11023 |
8 |
| Daikin Industries, Ltd. | 10499 |
8 |
| Daiichi Sankyo Company, Limited | 1890 |
8 |
| Evonik Operations GmbH | 4362 |
8 |
| INV Nylon Chemicals Americas, LLC | 202 |
8 |
| Syngenta Participations AG | 1524 |
7 |
| Henkel IP & Holding GmbH | 559 |
7 |
| Osaka University | 3267 |
7 |
| Takasago International Corporation | 405 |
7 |
| Other owners | 660 |