- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/487 - SeparationPurificationStabilisationUse of additives by treatment giving rise to chemical modification
Patent holdings for IPC class C07C 51/487
Total number of patents in this class: 189
10-year publication summary
|
18
|
13
|
20
|
13
|
11
|
7
|
11
|
17
|
13
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17620 |
13 |
| SABIC Global Technologies B.V. | 4335 |
9 |
| BASF SE | 20926 |
6 |
| BP Corporation North America Inc. | 743 |
6 |
| LyondellBasell Acetyls, LLC | 95 |
6 |
| Nouryon Chemicals International B.V. | 607 |
6 |
| Novoloop, Inc. | 12 |
5 |
| Akzo Nobel Chemicals International B.V. | 432 |
4 |
| Arkema France | 4104 |
4 |
| Celanese International Corporation | 907 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
4 |
| INEOS US Chemicals Company | 32 |
4 |
| DSM IP Assets B.V. | 5586 |
3 |
| Eastman Chemical Company | 2216 |
3 |
| Lyondell Chemical Technology, L.P. | 265 |
3 |
| The Regents of the University of California | 19898 |
2 |
| Amgen Inc. | 4072 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5651 |
2 |
| Uop LLC | 4244 |
2 |
| Asahi Glass Company, Limited | 2792 |
2 |
| Other owners | 99 |