- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/78 - 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 from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
Patent holdings for IPC class C07C 209/78
Total number of patents in this class: 121
10-year publication summary
|
9
|
9
|
9
|
13
|
1
|
3
|
8
|
5
|
17
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2833 |
29 |
| BASF SE | 21303 |
15 |
| Wanhua Chemical Group Co., Ltd. | 384 |
12 |
| Huntsman International LLC | 694 |
7 |
| Dow Global Technologies LLC | 10944 |
5 |
| Evonik Degussa GmbH | 1379 |
4 |
| Central Glass Company, Limited | 1293 |
3 |
| Public Joint Stock Company "sibur Holding" (pjsc "sibur Holding") | 43 |
3 |
| Canon Inc. | 43817 |
2 |
| Nippon Polyurethane Industry Co., Ltd. | 79 |
2 |
| Taminco BVBA | 53 |
2 |
| Nouryon Chemicals International B.V. | 646 |
2 |
| Specialty Operations France | 919 |
2 |
| Hoffmann-La Roche Inc. | 3793 |
1 |
| 3m Innovative Properties Company | 17478 |
1 |
| International Business Machines Corporation | 62634 |
1 |
| Centre National de La Recherche Scientifique | 11023 |
1 |
| Bayer Intellectual Property GmbH | 2364 |
1 |
| Chevron Oronite Company LLC | 594 |
1 |
| Aramco Services Company | 4195 |
1 |
| Other owners | 26 |