- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/145 - Esters of phosphorous acids with hydroxyaryl compounds
Patent holdings for IPC class C07F 9/145
Total number of patents in this class: 136
10-year publication summary
|
11
|
10
|
6
|
5
|
4
|
4
|
9
|
9
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| INV Nylon Chemicals Americas, LLC | 202 |
18 |
| INVISTA North America, LLC | 148 |
11 |
| Evonik Oxeno GmbH & Co. KG | 371 |
9 |
| Sumitomo Chemical Company, Limited | 9016 |
8 |
| Chemtura Corporation | 127 |
8 |
| Evonik Degussa GmbH | 1379 |
6 |
| INVISTA Technologies S.a.r.l. | 392 |
6 |
| BASF SE | 21303 |
5 |
| Mitsubishi Chemical Corporation | 4724 |
5 |
| INVISTA Textiles (U.K.) Limited | 270 |
5 |
| Surmodics Coatings, LLC | 70 |
5 |
| Dow Technology Investments LLC | 280 |
4 |
| International Business Machines Corporation | 62634 |
2 |
| E. I. du Pont de Nemours and Company | 3534 |
2 |
| Zhejiang Nhu Company Limited | 194 |
2 |
| SI Group Switzerland (CHAA) GmbH | 21 |
2 |
| Bristol-myers Squibb Company | 4742 |
1 |
| Toyota Motor Corporation | 35772 |
1 |
| Evonik Oxeno GmbH | 55 |
1 |
| Samsung SDI Co., Ltd. | 10589 |
1 |
| Other owners | 34 |