- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
Patent holdings for IPC class C08G 18/73
Total number of patents in this class: 2053
10-year publication summary
107
|
167
|
176
|
242
|
249
|
246
|
228
|
170
|
122
|
71
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Covestro Deutschland AG | 2767 |
226 |
BASF SE | 20945 |
119 |
Mitsui Chemicals, Inc. | 3224 |
52 |
Covestro Intellectual Property GmbH & Co. KG | 276 |
45 |
PPG Industries Ohio, Inc. | 3445 |
42 |
Covestro LLC | 588 |
42 |
Lubrizol Advanced Materials, Inc. | 951 |
37 |
Covestro (Netherlands) B.V. | 281 |
35 |
DDP Specialty Electronic Materials US, LLC | 838 |
30 |
Asahi Kasei Kabushiki Kaisha | 2677 |
27 |
Dow Global Technologies LLC | 10371 |
26 |
3m Innovative Properties Company | 17820 |
24 |
BASF Coatings GmbH | 1201 |
24 |
Sika Technology AG | 2871 |
24 |
LG Chem, Ltd. | 17641 |
23 |
Carbon, Inc. | 399 |
23 |
Lawrence Livermore National Security, LLC | 1940 |
20 |
The Texas a & M University System | 1710 |
18 |
Bayer MaterialScience AG | 793 |
17 |
Rohm and Haas Company | 2884 |
17 |
Other owners | 1182 |