- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/77 - Polyisocyanates or polyisothiocyanates having hetero atoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
Patent holdings for IPC class C08G 18/77
Total number of patents in this class: 311
10-year publication summary
|
18
|
15
|
25
|
23
|
21
|
19
|
26
|
16
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2754 |
25 |
| BASF Coatings GmbH | 1200 |
23 |
| Dow Global Technologies LLC | 10349 |
11 |
| Bayer MaterialScience AG | 800 |
10 |
| Bezwada Biomedical, LLC | 49 |
6 |
| Sika Technology AG | 2870 |
6 |
| Evonik Degussa GmbH | 1525 |
5 |
| Henkel AG & Co. KGaA | 10584 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
5 |
| Iowa State University Research Foundation, Inc. | 777 |
5 |
| Wanhua Chemical Group Co., Ltd. | 353 |
5 |
| SHPP Global Technologies B.V. | 1090 |
5 |
| BASF SE | 20915 |
4 |
| Ethicon, Inc. | 1178 |
4 |
| Polynovo Biomaterials Pty Limited | 57 |
4 |
| Hanwha Solutions Corporation | 838 |
4 |
| PPG Industries Ohio, Inc. | 3448 |
3 |
| Mitsui Chemicals, Inc. | 3220 |
3 |
| Affymetrix, Inc. | 260 |
3 |
| BASF Coatings AG | 56 |
3 |
| Other owners | 172 |