- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/535 - Organo-phosphoranes
Patent holdings for IPC class C07F 9/535
Total number of patents in this class: 105
10-year publication summary
|
2
|
4
|
14
|
9
|
6
|
5
|
6
|
9
|
11
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20675 |
11 |
| Merck Patent GmbH | 5826 |
9 |
| Bristol-myers Squibb Company | 4886 |
5 |
| NOVA Chemicals (International) S.A. | 764 |
5 |
| Saudi Aramco Technologies Company | 108 |
5 |
| The Regents of the University of California | 19730 |
4 |
| Centre National de La Recherche Scientifique | 10238 |
4 |
| LG Chem, Ltd. | 17503 |
3 |
| Takeda Pharmaceutical Company Limited | 2699 |
3 |
| Elkem Silicones France SAS | 156 |
3 |
| Lier Chemical Co., Ltd. | 41 |
2 |
| Pierce Biotechnology, Inc. | 144 |
2 |
| Porton Fine Chemicals Ltd. | 5 |
2 |
| Rockwood Lithium GmbH | 42 |
2 |
| San-Apro Limited | 77 |
2 |
| Centre National de La Recherche Scientifique (cnrs) | 3131 |
2 |
| Guangan Lier Chemical Co., Ltd. | 13 |
2 |
| Novartis AG | 10989 |
1 |
| Johnson & Johnson Vision Care, Inc. | 1182 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3471 |
1 |
| Other owners | 36 |