- All sections
- C - Chemistry; metallurgy
- 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: 400
10-year publication summary
|
29
|
26
|
38
|
35
|
38
|
42
|
43
|
32
|
22
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
56 |
| Huntsman International LLC | 708 |
51 |
| BASF SE | 19740 |
39 |
| Dow Global Technologies LLC | 10147 |
37 |
| Nisshinbo Chemical Inc. | 129 |
23 |
| Evonik Operations GmbH | 3879 |
17 |
| Mitsui Chemicals, Inc. | 3134 |
15 |
| Covestro LLC | 577 |
14 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
11 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
10 |
| Bayer Intellectual Property GmbH | 2671 |
8 |
| PPG Industries Ohio, Inc. | 3430 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Johns Manville | 980 |
6 |
| Sekisui Chemical Co., Ltd. | 3159 |
5 |
| Tosoh Corporation | 1127 |
5 |
| Dow Global Technologies Inc. | 1055 |
3 |
| Lanxess Deutschland GmbH | 1104 |
3 |
| Vencorex France | 36 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Other owners | 79 |