- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/72 - Polyisocyanates or polyisothiocyanates
Patent holdings for IPC class C08G 18/72
Total number of patents in this class: 1197
10-year publication summary
|
68
|
98
|
103
|
117
|
123
|
113
|
93
|
95
|
85
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
110 |
| BASF SE | 19740 |
80 |
| Dow Global Technologies LLC | 10147 |
64 |
| Mitsui Chemicals, Inc. | 3134 |
49 |
| PPG Industries Ohio, Inc. | 3430 |
38 |
| Bayer MaterialScience AG | 874 |
33 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
26 |
| Henkel AG & Co. KGaA | 10129 |
24 |
| Covestro LLC | 577 |
24 |
| LG Chem, Ltd. | 17205 |
23 |
| Sika Technology AG | 2650 |
20 |
| Rohm and Haas Company | 2805 |
19 |
| Huntsman International LLC | 708 |
19 |
| BASF Coatings GmbH | 1128 |
17 |
| Bayer Intellectual Property GmbH | 2671 |
14 |
| Lubrizol Advanced Materials, Inc. | 949 |
13 |
| Bayer MaterialScience LLC | 178 |
12 |
| Acushnet Company | 2337 |
12 |
| 3m Innovative Properties Company | 18406 |
11 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
10 |
| Other owners | 579 |