- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
Patent holdings for IPC class C07C 51/44
Total number of patents in this class: 686
10-year publication summary
|
60
|
59
|
54
|
40
|
39
|
27
|
39
|
29
|
38
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 911 |
81 |
| Daicel Corporation | 2508 |
75 |
| BASF SE | 21303 |
43 |
| LG Chem, Ltd. | 17921 |
43 |
| Arkema France | 4238 |
26 |
| LyondellBasell Acetyls, LLC | 97 |
19 |
| Cargill, Incorporated | 2963 |
15 |
| Eastman Chemical Company | 2081 |
14 |
| Nippon Shokubai Co., Ltd. | 1537 |
14 |
| Mitsubishi Chemical Corporation | 4721 |
11 |
| Tricoya Technologies Ltd | 35 |
10 |
| The Procter & Gamble Company | 21861 |
8 |
| BioAmber S.A.S. | 20 |
7 |
| Toray Industries, Inc. | 7096 |
6 |
| IFP Energies Nouvelles | 3095 |
6 |
| Neste Oyj | 802 |
6 |
| Solvay Acetow GmbH | 25 |
6 |
| INEOS Acetyls UK Limited | 53 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Georgia-Pacific LLC | 116 |
5 |
| Other owners | 279 |