- All sections
- C - Chemistrymetallurgy
- 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: 547
10-year publication summary
|
31
|
39
|
60
|
63
|
43
|
46
|
39
|
44
|
18
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2776 |
130 |
| BASF SE | 21053 |
55 |
| Nisshinbo Chemical Inc. | 139 |
26 |
| Lanxess Deutschland GmbH | 1111 |
23 |
| Asahi Kasei Kabushiki Kaisha | 2706 |
21 |
| Covestro (Netherlands) B.V. | 279 |
19 |
| Mitsui Chemicals, Inc. | 3235 |
18 |
| Covestro LLC | 588 |
17 |
| Huntsman International LLC | 721 |
16 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
13 |
| Wanhua Chemical Group Co., Ltd. | 354 |
10 |
| Dow Global Technologies LLC | 10479 |
7 |
| Rhein Chemie Rheinau GmbH | 42 |
7 |
| Wanhua Chemical (Ningbo) Co., Ltd. | 81 |
7 |
| Presidium Innovations, LLC | 8 |
7 |
| Bayer MaterialScience AG | 774 |
6 |
| Bayer Intellectual Property GmbH | 2475 |
5 |
| Stahl International B.V. | 292 |
5 |
| PPG Industries Ohio, Inc. | 3436 |
4 |
| Sika Technology AG | 2888 |
4 |
| Other owners | 147 |