- All sections
- C - Chemistry; metallurgy
- 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: 330
10-year publication summary
|
22
|
13
|
15
|
21
|
25
|
10
|
29
|
24
|
26
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
55 |
| Covestro Deutschland AG | 2429 |
51 |
| Mitsui Chemicals, Inc. | 3134 |
43 |
| Asahi Kasei Chemicals Corporation | 809 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
10 |
| Wanhua Chemical Group Co., Ltd. | 286 |
10 |
| Huntsman International LLC | 708 |
8 |
| SK Pucore Co., Ltd. | 37 |
8 |
| Nippon Polyurethane Industry Co., Ltd. | 105 |
7 |
| Hanwha Solutions Corporation | 572 |
7 |
| Woori Fine Chem Co., Ltd. | 14 |
7 |
| BASF AG | 1258 |
6 |
| Bezwada Biomedical, LLC | 48 |
6 |
| Bayer MaterialScience AG | 874 |
5 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
5 |
| Mitsui Chemicals Polyurethanes, Inc. | 27 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Covestro LLC | 577 |
3 |
| Genomatica, Inc. | 514 |
3 |
| Other owners | 73 |