- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
Patent holdings for IPC class C08G 18/28
Total number of patents in this class: 2285
10-year publication summary
114
|
134
|
130
|
175
|
181
|
189
|
147
|
149
|
80
|
72
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 20945 |
170 |
Covestro Deutschland AG | 2767 |
139 |
Dow Global Technologies LLC | 10371 |
97 |
Sika Technology AG | 2871 |
96 |
BASF Coatings GmbH | 1201 |
69 |
Huntsman International LLC | 721 |
64 |
PPG Industries Ohio, Inc. | 3445 |
57 |
Covestro LLC | 588 |
52 |
Bayer MaterialScience AG | 793 |
50 |
3m Innovative Properties Company | 17820 |
49 |
BYK-Chemie GmbH | 446 |
49 |
Bostik SA | 647 |
38 |
Henkel AG & Co. KGaA | 10588 |
37 |
Mitsui Chemicals, Inc. | 3224 |
33 |
Evonik Operations GmbH | 4117 |
31 |
COATEX une société par actions simplifiée | 165 |
26 |
DDP Specialty Electronic Materials US, LLC | 838 |
25 |
Momentive Performance Materials Inc. | 915 |
24 |
Rohm and Haas Company | 2884 |
23 |
Lubrizol Advanced Materials, Inc. | 951 |
23 |
Other owners | 1133 |