- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
Patent holdings for IPC class C07C 209/68
Total number of patents in this class: 415
10-year publication summary
|
40
|
33
|
31
|
30
|
27
|
26
|
14
|
20
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3587 |
15 |
| Covestro Deutschland AG | 2800 |
12 |
| Tokuyama Corporation | 1453 |
11 |
| BASF SE | 21113 |
9 |
| INVISTA Technologies S.a.r.l. | 400 |
9 |
| Merck Patent GmbH | 5668 |
7 |
| Sumitomo Chemical Company, Limited | 9045 |
7 |
| Envalior B.V. | 113 |
7 |
| Bayer AG | 3435 |
5 |
| Massachusetts Institute of Technology | 10196 |
5 |
| California Institute of Technology | 4014 |
5 |
| Daikin Industries, Ltd. | 10384 |
5 |
| Essentialis, Inc. | 19 |
5 |
| Florida State University Research Foundation, Inc. | 820 |
5 |
| National University Corporation Hokkaido University | 1345 |
5 |
| The Trustees of Boston College | 199 |
5 |
| Nouryon Chemicals International B.V. | 648 |
5 |
| Bayer Cropscience AG | 1889 |
4 |
| DSM IP Assets B.V. | 5429 |
4 |
| Ecolab USA Inc. | 5725 |
4 |
| Other owners | 281 |