- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/52 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
Patent holdings for IPC class C07C 209/52
Total number of patents in this class: 87
10-year publication summary
|
10
|
6
|
2
|
4
|
0
|
6
|
8
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Operations GmbH | 4178 |
12 |
| BASF SE | 21039 |
6 |
| Evonik Degussa GmbH | 1486 |
5 |
| University of South Florida | 1844 |
3 |
| Firmenich SA | 1701 |
3 |
| Takasago International Corporation | 404 |
3 |
| Wanhua Chemical Group Co., Ltd. | 354 |
3 |
| Chengdu Shibeikang Biomedical Technology Co., Ltd. | 21 |
3 |
| Flexsys Holdings, Inc. | 12 |
3 |
| Sandoz AG | 1417 |
2 |
| Produits Chimiques Auxiliaires et de Synthese | 5 |
2 |
| Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen | 309 |
2 |
| Zhejiang Nhu Company Limited | 174 |
2 |
| Shandong Nhu Amino Acid Co.,Ltd. | 15 |
2 |
| Shandong Nhu Fine Chemical Science and Technology Company Ltd. | 16 |
2 |
| Bayer Intellectual Property GmbH | 2487 |
1 |
| Bayer Cropscience AG | 2009 |
1 |
| The Regents of the University of Michigan | 4753 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10956 |
1 |
| Mitsui Chemicals, Inc. | 3239 |
1 |
| Other owners | 29 |