- All sections
- C - Chemistry; metallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/50 - Organo-phosphines
Patent holdings for IPC class C07F 9/50
Total number of patents in this class: 695
10-year publication summary
|
52
|
49
|
56
|
61
|
30
|
40
|
41
|
27
|
32
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
29 |
| Takasago International Corporation | 403 |
28 |
| Nippon Chemical Industrial Co., Ltd. | 270 |
21 |
| Hokko Chemical Industry Co., Ltd. | 54 |
13 |
| BASF SE | 20367 |
12 |
| Eth Zurich | 1249 |
9 |
| Centre National de La Recherche Scientifique | 10052 |
8 |
| Sumitomo Chemical Company, Limited | 8966 |
8 |
| Japan Polyethylene Corporation | 114 |
8 |
| Merck Patent GmbH | 5849 |
7 |
| DSM IP Assets B.V. | 5817 |
7 |
| Dow Global Technologies LLC | 10139 |
7 |
| Genzyme Corporation | 1216 |
7 |
| Japan Polypropylene Corporation | 132 |
7 |
| Kuraray Co., Ltd. | 3459 |
7 |
| Kyoto University | 2778 |
7 |
| Nova Chemicals Corporation | 333 |
7 |
| Universal Display Corporation | 1810 |
7 |
| The University of Tokyo | 4051 |
7 |
| Zhejiang University | 2921 |
7 |
| Other owners | 482 |