- 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: 556
10-year publication summary
|
41
|
32
|
28
|
19
|
25
|
27
|
24
|
22
|
24
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 912 |
39 |
| BASF SE | 20432 |
20 |
| LG Chem, Ltd. | 17639 |
18 |
| Eastman Chemical Company | 2258 |
15 |
| Nippon Shokubai Co., Ltd. | 1513 |
15 |
| DSM IP Assets B.V. | 5802 |
12 |
| Cargill, Incorporated | 2894 |
11 |
| LyondellBasell Acetyls, LLC | 91 |
11 |
| ALPEK POLYESTER, S.A. de C.V. | 155 |
9 |
| Uop LLC | 4188 |
8 |
| BP Corporation North America Inc. | 764 |
8 |
| Purac Biochem B.V. | 499 |
8 |
| BASF AG | 750 |
7 |
| Archer Daniels Midland Company | 1136 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Toray Industries, Inc. | 6855 |
5 |
| Commonwealth Scientific and Industrial Research Organisation | 1675 |
5 |
| Tianhua Institute of Chemical Machinery and Automation Co., Ltd. | 37 |
5 |
| Cibt America Inc. | 96 |
5 |
| Amalive Limited | 17 |
5 |
| Other owners | 338 |