- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
Patent holdings for IPC class C08G 18/00
Total number of patents in this class: 1468
10-year publication summary
|
82
|
92
|
81
|
104
|
91
|
79
|
79
|
76
|
77
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2833 |
74 |
| BASF SE | 21308 |
63 |
| Mitsui Chemicals, Inc. | 3242 |
52 |
| DIC Corporation | 3965 |
49 |
| Dow Global Technologies LLC | 10960 |
37 |
| Tosoh Corporation | 1420 |
36 |
| INOAC Corporation | 230 |
33 |
| Huntsman International LLC | 694 |
29 |
| Sekisui Chemical Co., Ltd. | 3619 |
26 |
| Henkel AG & Co. KGaA | 10762 |
23 |
| PPG Industries Ohio, Inc. | 3328 |
22 |
| Bridgestone Corporation | 7262 |
17 |
| Sika Technology AG | 3006 |
17 |
| FUJIFILM Corporation | 30516 |
16 |
| Ube Industries, Ltd. | 770 |
16 |
| DKS Co. Ltd. | 250 |
16 |
| SANYO Chemical Industries, Ltd. | 522 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2834 |
12 |
| Toyo Tire & Rubber Co., Ltd. | 487 |
12 |
| Bayer MaterialScience AG | 710 |
11 |
| Other owners | 894 |