- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/28 - Phosphorus compounds with one or more P—C bonds
Patent holdings for IPC class C07F 9/28
Total number of patents in this class: 211
10-year publication summary
|
18
|
7
|
16
|
11
|
2
|
12
|
8
|
16
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17937 |
8 |
| Lung Biotechnology PBC | 112 |
6 |
| Boehringer Ingelheim International GmbH | 4487 |
5 |
| Chevron Phillips Chemical Company LP | 1861 |
5 |
| LT Materials Co., Ltd. | 444 |
5 |
| SK Innovation Co., Ltd. | 1486 |
4 |
| Merck Patent GmbH | 5731 |
3 |
| The Johns Hopkins University | 5898 |
3 |
| Idemitsu Kosan Co., Ltd. | 4253 |
3 |
| Central Glass Company, Limited | 1295 |
3 |
| Chang Chun Plastics Co., Ltd. | 98 |
3 |
| Iview Therapeutics, Inc. | 42 |
3 |
| Institute of Organic Chemistry and Biochemistry AS CR V.v.i. | 33 |
3 |
| GAP Peptides, LLC | 4 |
3 |
| Soilgenic Technologies, LLC | 60 |
3 |
| Evonik Oxeno GmbH & Co. KG | 371 |
3 |
| Samsung Display Co., Ltd. | 38721 |
2 |
| Janssen Pharmaceutica N.V. | 3160 |
2 |
| Massachusetts Institute of Technology | 10259 |
2 |
| PPG Industries Ohio, Inc. | 3325 |
2 |
| Other owners | 140 |