- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 265/14 - Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
Patent holdings for IPC class C07C 265/14
Total number of patents in this class: 358
10-year publication summary
|
12
|
13
|
21
|
24
|
10
|
29
|
24
|
26
|
20
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20940 |
58 |
| Covestro Deutschland AG | 2760 |
55 |
| Mitsui Chemicals, Inc. | 3222 |
44 |
| Wanhua Chemical Group Co., Ltd. | 354 |
24 |
| Asahi Kasei Chemicals Corporation | 678 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
11 |
| Hanwha Solutions Corporation | 841 |
10 |
| SK Pucore Co., Ltd. | 39 |
10 |
| Huntsman International LLC | 721 |
8 |
| Woori Fine Chem Co., Ltd. | 14 |
8 |
| Bezwada Biomedical, LLC | 49 |
6 |
| Nippon Polyurethane Industry Co., Ltd. | 90 |
6 |
| Bayer MaterialScience AG | 799 |
5 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
5 |
| Wanhua Chemical (Ningbo) Co., Ltd. | 81 |
4 |
| Mojia (Shanghai) Biotech Co., Ltd. | 14 |
4 |
| FUJIFILM Corporation | 29437 |
3 |
| Dow Global Technologies LLC | 10360 |
3 |
| Covestro LLC | 588 |
3 |
| Genomatica, Inc. | 493 |
3 |
| Other owners | 75 |