- 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: 697
10-year publication summary
|
49
|
56
|
61
|
30
|
40
|
41
|
28
|
32
|
31
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17883 |
31 |
| Takasago International Corporation | 403 |
26 |
| Nippon Chemical Industrial Co., Ltd. | 293 |
25 |
| Hokko Chemical Industry Co., Ltd. | 48 |
13 |
| BASF SE | 21165 |
11 |
| Sumitomo Chemical Company, Limited | 9015 |
9 |
| Eth Zurich | 1316 |
9 |
| Centre National de La Recherche Scientifique | 10914 |
8 |
| Genzyme Corporation | 1353 |
8 |
| Japan Polyethylene Corporation | 132 |
8 |
| Universal Display Corporation | 2059 |
8 |
| Merck Patent GmbH | 5669 |
7 |
| DSM IP Assets B.V. | 5422 |
7 |
| Dow Global Technologies LLC | 10845 |
7 |
| Japan Polypropylene Corporation | 139 |
7 |
| Kuraray Co., Ltd. | 3581 |
7 |
| The University of Tokyo | 4333 |
7 |
| Zhejiang University | 3381 |
7 |
| Chevron Phillips Chemical Company LP | 1862 |
6 |
| Eastman Chemical Company | 2079 |
6 |
| Other owners | 480 |