- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 269/02 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups from isocyanates with formation of carbamate groups
Patent holdings for IPC class C07C 269/02
Total number of patents in this class: 98
10-year publication summary
|
10
|
5
|
6
|
11
|
15
|
5
|
5
|
4
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Showa Denko K.K. | 2326 |
7 |
| Covestro Deutschland AG | 2698 |
6 |
| Tianjin Chasesun Pharmaceutical Co., Ltd | 13 |
4 |
| Bayer MaterialScience AG | 839 |
3 |
| Bio-Pharm Solutions Co., Ltd. | 60 |
3 |
| Resonac Corporation | 2471 |
3 |
| PRC-DeSoto International, Inc. | 578 |
2 |
| BYK-Chemie GmbH | 444 |
2 |
| Emery Oleochemicals GmbH | 112 |
2 |
| Huntsman International LLC | 710 |
2 |
| Lanxess Deutschland GmbH | 1121 |
2 |
| Metkinen Chemistry Oy | 2 |
2 |
| Nissan Chemical Industries, Ltd. | 1756 |
2 |
| Unimatec Co., Ltd. | 229 |
2 |
| Evonik Operations GmbH | 4031 |
2 |
| 3m Innovative Properties Company | 17985 |
1 |
| BASF SE | 20501 |
1 |
| The Regents of the University of California | 19590 |
1 |
| NEC Corporation | 34584 |
1 |
| Janssen Pharmaceutica N.V. | 3610 |
1 |
| Other owners | 49 |