- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/42 - Separation; Purification; Stabilisation; Use of additives
Patent holdings for IPC class C07C 51/42
Total number of patents in this class: 562
10-year publication summary
|
58
|
41
|
32
|
28
|
18
|
25
|
27
|
24
|
22
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 879 |
39 |
| BASF SE | 19740 |
21 |
| LG Chem, Ltd. | 17205 |
21 |
| Eastman Chemical Company | 2239 |
19 |
| Nippon Shokubai Co., Ltd. | 1487 |
16 |
| Cargill, Incorporated | 2835 |
11 |
| LyondellBasell Acetyls, LLC | 88 |
11 |
| DSM IP Assets B.V. | 5856 |
10 |
| Purac Biochem B.V. | 502 |
10 |
| ALPEK POLYESTER, S.A. de C.V. | 167 |
9 |
| BP Corporation North America Inc. | 776 |
8 |
| BASF AG | 1258 |
7 |
| Uop LLC | 4083 |
7 |
| Archer Daniels Midland Company | 1164 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Rohm and Haas Company | 2805 |
5 |
| Toray Industries, Inc. | 6652 |
5 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
5 |
| Grupo Petrotemex, S.A. de C.V. | 72 |
5 |
| Other owners | 335 |