- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 253/10 - Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds to compounds containing carbon-to-carbon double bonds
Patent holdings for IPC class C07C 253/10
Total number of patents in this class: 153
10-year publication summary
|
12
|
7
|
2
|
1
|
1
|
2
|
3
|
2
|
4
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INV Nylon Chemicals Americas, LLC | 182 |
28 |
| INVISTA Technologies S.a.r.l. | 450 |
25 |
| INVISTA North America, LLC | 170 |
23 |
| BASF SE | 19740 |
7 |
| Rhodia Operations | 1645 |
7 |
| Zhejiang Nhu Company Limited | 143 |
6 |
| Zhejiang Nhu Special Materials Co., Ltd | 29 |
5 |
| Zhejiang University | 2619 |
5 |
| INVISTA Textiles (U.K.) Limited | 253 |
5 |
| INVISTA North America S.a.r.l. | 182 |
4 |
| Mitsui Chemicals, Inc. | 3134 |
3 |
| Daiichi Sankyo Company, Limited | 1829 |
3 |
| Hikal Limited | 52 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Syngenta Participations AG | 4970 |
2 |
| BASF AG | 1258 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Arkema France | 3790 |
2 |
| Shandong Nhu Amino Acid Co.,Ltd. | 14 |
2 |
| Evonik Operations GmbH | 3879 |
2 |
| Other owners | 15 |