- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
Patent holdings for IPC class C08G 18/42
Total number of patents in this class: 4311
10-year publication summary
|
268
|
318
|
409
|
400
|
347
|
339
|
299
|
296
|
209
|
152
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21306 |
357 |
| Covestro Deutschland AG | 2844 |
212 |
| Dow Global Technologies LLC | 10994 |
188 |
| Henkel AG & Co. KGaA | 10758 |
118 |
| DIC Corporation | 3974 |
99 |
| Lubrizol Advanced Materials, Inc. | 957 |
96 |
| BASF Coatings GmbH | 1186 |
87 |
| Covestro LLC | 612 |
77 |
| Sika Technology AG | 3015 |
77 |
| Arkema France | 4251 |
73 |
| Evonik Operations GmbH | 4384 |
65 |
| LG Chem, Ltd. | 17950 |
63 |
| Huntsman International LLC | 691 |
55 |
| Bayer MaterialScience AG | 704 |
52 |
| 3m Innovative Properties Company | 17458 |
48 |
| PPG Industries Ohio, Inc. | 3324 |
47 |
| Rohm and Haas Company | 2943 |
44 |
| Bostik SA | 682 |
40 |
| Bayer Intellectual Property GmbH | 2357 |
36 |
| Mitsui Chemicals, Inc. | 3259 |
34 |
| Other owners | 2443 |