- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 269/04 - 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 amines with formation of carbamate groups
Patent holdings for IPC class C07C 269/04
Total number of patents in this class: 309
10-year publication summary
|
34
|
26
|
15
|
30
|
30
|
21
|
11
|
13
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Chemicals Corporation | 809 |
13 |
| Covestro Deutschland AG | 2429 |
11 |
| Mitsui Chemicals, Inc. | 3134 |
10 |
| BASF SE | 19740 |
8 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
7 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
5 |
| Noramco, LLC | 28 |
5 |
| Celgene Corporation | 1412 |
4 |
| Council of Scientific and Industrial Research | 670 |
4 |
| Teva Pharmaceutical Industries Ltd. | 868 |
4 |
| Teva Pharmaceuticals USA, Inc. | 1040 |
4 |
| XenoPort, Inc. | 121 |
4 |
| H. Lundbeck A/S | 1252 |
4 |
| Merck Sharp & Dohme LLC | 3689 |
4 |
| Glaxo Group Limited | 4496 |
3 |
| Novartis AG | 11238 |
3 |
| Kaneka Corporation | 4445 |
3 |
| Abbvie Inc. | 1808 |
3 |
| Alliance for Sustainable Energy, LLC | 698 |
3 |
| Other owners | 201 |