- 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: 866
10-year publication summary
|
64
|
60
|
58
|
51
|
50
|
42
|
57
|
47
|
39
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21036 |
29 |
| Arkema France | 4174 |
21 |
| Sumitomo Chemical Company, Limited | 9092 |
18 |
| Mitsui Chemicals, Inc. | 3235 |
13 |
| Henkel AG & Co. KGaA | 10636 |
12 |
| Soochow University | 1743 |
12 |
| LG Chem, Ltd. | 17680 |
11 |
| DSM IP Assets B.V. | 5572 |
11 |
| University of Florida Research Foundation, Inc. | 4055 |
11 |
| Daikin Industries, Ltd. | 10112 |
9 |
| Les Laboratoires Servier | 534 |
9 |
| Daiichi Sankyo Company, Limited | 1875 |
8 |
| Takasago International Corporation | 404 |
8 |
| Evonik Operations GmbH | 4178 |
8 |
| INV Nylon Chemicals Americas, LLC | 190 |
8 |
| F. Hoffmann-La Roche AG | 7946 |
7 |
| Syngenta Participations AG | 1778 |
7 |
| Henkel IP & Holding GmbH | 566 |
7 |
| Osaka University | 3394 |
7 |
| Toagosei Co., Ltd. | 976 |
7 |
| Other owners | 643 |