- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/59 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds from heterocyclic compounds with oxygen as the only hetero atom in five-membered rings
Patent holdings for IPC class C07C 45/59
Total number of patents in this class: 70
10-year publication summary
|
8
|
8
|
2
|
2
|
3
|
5
|
10
|
4
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Versalis S.P.A. | 536 |
6 |
| DSM IP Assets B.V. | 5601 |
4 |
| Firmenich SA | 1687 |
3 |
| Kolon Industries, Inc. | 1644 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
2 |
| Chevron Phillips Chemical Company LP | 1836 |
2 |
| Instituto Mexicano Del Petroleo | 221 |
2 |
| Nippon Shokubai Co., Ltd. | 1507 |
2 |
| Novamont S.p.A. | 351 |
2 |
| Pirelli Tyre S.p.A. | 1904 |
2 |
| Stellenbosch University | 240 |
2 |
| T. Hasegawa Co., Ltd. | 86 |
2 |
| Unimatec Co., Ltd. | 235 |
2 |
| Virent, Inc. | 125 |
2 |
| Organofuel Sweden AB | 20 |
2 |
| Triad National Security, LLC | 603 |
2 |
| Shell USA, Inc. | 1207 |
2 |
| Merck Patent GmbH | 5861 |
1 |
| Centre National de La Recherche Scientifique | 10395 |
1 |
| Tokyo Electron Limited | 12599 |
1 |
| Other owners | 25 |