- 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: 542
10-year publication summary
|
32
|
28
|
19
|
25
|
27
|
24
|
23
|
28
|
16
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 910 |
34 |
| BASF SE | 21303 |
20 |
| LG Chem, Ltd. | 17921 |
17 |
| DSM IP Assets B.V. | 5379 |
13 |
| Nippon Shokubai Co., Ltd. | 1538 |
12 |
| Cargill, Incorporated | 2964 |
11 |
| LyondellBasell Acetyls, LLC | 96 |
9 |
| Uop LLC | 4393 |
8 |
| BP Corporation North America Inc. | 742 |
8 |
| Purac Biochem B.V. | 477 |
8 |
| ALPEK POLYESTER, S.A. de C.V. | 104 |
7 |
| Archer Daniels Midland Company | 1075 |
6 |
| Arkema France | 4242 |
6 |
| Cibt America Inc. | 101 |
6 |
| INEOS US Chemicals Company | 33 |
6 |
| Toray Industries, Inc. | 7113 |
5 |
| Tianhua Institute of Chemical Machinery and Automation Co., Ltd. | 38 |
5 |
| Cathay Biotech Inc. | 98 |
5 |
| Amalive Limited | 17 |
5 |
| Evonik Röhm GmbH | 388 |
4 |
| Other owners | 347 |