- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/79 - Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
Patent holdings for IPC class C08G 18/79
Total number of patents in this class: 2213
10-year publication summary
|
139
|
141
|
142
|
207
|
248
|
209
|
198
|
167
|
130
|
44
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
251 |
| BASF SE | 19740 |
179 |
| BASF Coatings GmbH | 1128 |
103 |
| Dow Global Technologies LLC | 10147 |
102 |
| PPG Industries Ohio, Inc. | 3430 |
83 |
| Sika Technology AG | 2650 |
78 |
| Covestro LLC | 577 |
57 |
| 3m Innovative Properties Company | 18406 |
46 |
| Mitsui Chemicals, Inc. | 3134 |
44 |
| Huntsman International LLC | 708 |
43 |
| Bayer MaterialScience AG | 874 |
41 |
| Henkel AG & Co. KGaA | 10129 |
40 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
36 |
| Rohm and Haas Company | 2805 |
28 |
| Bayer Intellectual Property GmbH | 2671 |
22 |
| Akzo Nobel Coatings International B.V. | 2185 |
22 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
22 |
| Bostik SA | 602 |
20 |
| E. I. du Pont de Nemours and Company | 4345 |
19 |
| PRC-DeSoto International, Inc. | 567 |
19 |
| Other owners | 958 |