- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/6571 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
Patent holdings for IPC class C07F 9/6571
Total number of patents in this class: 400
10-year publication summary
|
37
|
31
|
32
|
22
|
17
|
14
|
15
|
20
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10762 |
21 |
| The Regents of the University of California | 20506 |
10 |
| Afton Chemical Corporation | 489 |
8 |
| Albemarle Corporation | 484 |
7 |
| The United States Government AS represented by The Department of Veterans Affairs | 1280 |
7 |
| The Procter & Gamble Company | 21900 |
6 |
| BASF SE | 21129 |
6 |
| Eastman Chemical Company | 2090 |
6 |
| Ligand Pharmaceuticals Incorporated | 170 |
6 |
| Sansho Co. Ltd. | 17 |
6 |
| Studiengesellschaft Kohle gGmbH | 73 |
6 |
| Chang Chun Plastics Co., Ltd. | 96 |
5 |
| Otsuka Chemical Co., Ltd. | 284 |
5 |
| Evonik Oxeno GmbH & Co. KG | 360 |
5 |
| Merck Patent GmbH | 5662 |
4 |
| Evonik Degussa GmbH | 1420 |
4 |
| Central Glass Company, Limited | 1284 |
4 |
| Dalhousie University | 168 |
4 |
| Ecolab USA Inc. | 5722 |
4 |
| ICL-IP America Inc. | 140 |
4 |
| Other owners | 272 |