- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/42 - SeparationPurificationStabilisationUse of additives
Patent holdings for IPC class C07C 51/42
Total number of patents in this class: 549
10-year publication summary
|
31
|
26
|
17
|
24
|
26
|
23
|
22
|
25
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 909 |
35 |
| BASF SE | 21149 |
20 |
| LG Chem, Ltd. | 17744 |
17 |
| DSM IP Assets B.V. | 5472 |
13 |
| Eastman Chemical Company | 2114 |
12 |
| Nippon Shokubai Co., Ltd. | 1518 |
12 |
| Cargill, Incorporated | 2953 |
11 |
| LyondellBasell Acetyls, LLC | 97 |
10 |
| ALPEK POLYESTER, S.A. de C.V. | 128 |
9 |
| Uop LLC | 4275 |
8 |
| BP Corporation North America Inc. | 743 |
8 |
| Purac Biochem B.V. | 485 |
8 |
| BASF AG | 149 |
6 |
| Archer Daniels Midland Company | 1115 |
6 |
| Cibt America Inc. | 100 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Toray Industries, Inc. | 7018 |
5 |
| Arkema France | 4166 |
5 |
| Tianhua Institute of Chemical Machinery and Automation Co., Ltd. | 37 |
5 |
| Cathay Biotech Inc. | 97 |
5 |
| Other owners | 342 |