- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/09 - Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
Patent holdings for IPC class C08G 18/09
Total number of patents in this class: 434
10-year publication summary
|
25
|
33
|
36
|
37
|
38
|
38
|
29
|
20
|
18
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2784 |
58 |
| Huntsman International LLC | 722 |
51 |
| BASF SE | 21078 |
49 |
| Dow Global Technologies LLC | 10504 |
39 |
| Nisshinbo Chemical Inc. | 139 |
23 |
| Evonik Operations GmbH | 4187 |
22 |
| Covestro LLC | 591 |
17 |
| Mitsui Chemicals, Inc. | 3232 |
15 |
| Asahi Kasei Kabushiki Kaisha | 2714 |
12 |
| Bayer Intellectual Property GmbH | 2472 |
8 |
| Tosoh Corporation | 1329 |
8 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
8 |
| PPG Industries Ohio, Inc. | 3422 |
7 |
| 3m Innovative Properties Company | 17751 |
6 |
| Johns Manville | 947 |
6 |
| Sekisui Chemical Co., Ltd. | 3478 |
5 |
| Lanxess Deutschland GmbH | 1111 |
4 |
| Wanhua Chemical Group Co., Ltd. | 354 |
4 |
| Dow Global Technologies Inc. | 786 |
3 |
| Vencorex France | 32 |
3 |
| Other owners | 86 |