- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/02 - Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
Patent holdings for IPC class C08G 18/02
Total number of patents in this class: 541
10-year publication summary
|
34
|
42
|
62
|
63
|
46
|
49
|
40
|
38
|
18
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2692 |
126 |
| BASF SE | 20432 |
53 |
| Nisshinbo Chemical Inc. | 132 |
26 |
| Lanxess Deutschland GmbH | 1119 |
24 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
21 |
| Mitsui Chemicals, Inc. | 3187 |
18 |
| Covestro LLC | 581 |
17 |
| Huntsman International LLC | 710 |
17 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
13 |
| Covestro (Netherlands) B.V. | 292 |
12 |
| Wanhua Chemical Group Co., Ltd. | 302 |
10 |
| Bayer Intellectual Property GmbH | 2569 |
7 |
| Bayer MaterialScience AG | 840 |
7 |
| Dow Global Technologies LLC | 10156 |
7 |
| Rhein Chemie Rheinau GmbH | 42 |
7 |
| Wanhua Chemical (Ningbo) Co., Ltd. | 79 |
7 |
| Presidium Innovations, LLC | 8 |
7 |
| Stahl International B.V. | 283 |
5 |
| PPG Industries Ohio, Inc. | 3449 |
4 |
| Sika Technology AG | 2851 |
4 |
| Other owners | 149 |