- 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: 389
10-year publication summary
|
15
|
21
|
25
|
10
|
29
|
25
|
27
|
23
|
36
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
57 |
| Covestro Deutschland AG | 2833 |
56 |
| Mitsui Chemicals, Inc. | 3246 |
49 |
| Wanhua Chemical Group Co., Ltd. | 384 |
29 |
| Hanwha Solutions Corporation | 1174 |
23 |
| Asahi Kasei Chemicals Corporation | 553 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
12 |
| SK Pucore Co., Ltd. | 39 |
12 |
| Woori Fine Chem Co., Ltd. | 14 |
9 |
| Huntsman International LLC | 694 |
7 |
| Bezwada Biomedical, LLC | 44 |
6 |
| Nippon Polyurethane Industry Co., Ltd. | 79 |
5 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
5 |
| Mojia (Shanghai) Biotech Co., Ltd. | 17 |
5 |
| Bayer MaterialScience AG | 711 |
4 |
| KS Laboratories Co., Ltd. | 19 |
4 |
| Wanhua Chemical (Ningbo) Co., Ltd. | 81 |
4 |
| FUJIFILM Corporation | 30514 |
3 |
| Dow Global Technologies LLC | 10944 |
3 |
| Covestro LLC | 610 |
3 |
| Other owners | 80 |