- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/50 - Organo-phosphines
Patent holdings for IPC class C07F 9/50
Total number of patents in this class: 696
10-year publication summary
|
46
|
53
|
56
|
29
|
39
|
40
|
25
|
32
|
30
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17810 |
31 |
| Takasago International Corporation | 405 |
26 |
| Nippon Chemical Industrial Co., Ltd. | 293 |
25 |
| Hokko Chemical Industry Co., Ltd. | 48 |
13 |
| BASF SE | 21147 |
11 |
| Eth Zurich | 1313 |
9 |
| Centre National de La Recherche Scientifique | 10856 |
8 |
| Sumitomo Chemical Company, Limited | 9048 |
8 |
| Genzyme Corporation | 1333 |
8 |
| Japan Polyethylene Corporation | 131 |
8 |
| Universal Display Corporation | 2019 |
8 |
| Merck Patent GmbH | 5723 |
7 |
| DSM IP Assets B.V. | 5451 |
7 |
| Dow Global Technologies LLC | 10765 |
7 |
| Japan Polypropylene Corporation | 135 |
7 |
| Kuraray Co., Ltd. | 3570 |
7 |
| The University of Tokyo | 4314 |
7 |
| Zhejiang University | 3346 |
7 |
| Chevron Phillips Chemical Company LP | 1853 |
6 |
| Eastman Chemical Company | 2089 |
6 |
| Other owners | 480 |