- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 18/20 - Heterocyclic amines; Salts thereof
Patent holdings for IPC class C08G 18/20
Total number of patents in this class: 819
10-year publication summary
|
42
|
60
|
69
|
73
|
107
|
97
|
82
|
92
|
72
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
120 |
| Dow Global Technologies LLC | 10147 |
94 |
| Covestro Deutschland AG | 2429 |
63 |
| Covestro LLC | 577 |
48 |
| Sika Technology AG | 2650 |
33 |
| Evonik Operations GmbH | 3879 |
24 |
| Huntsman International LLC | 708 |
22 |
| Henkel AG & Co. KGaA | 10129 |
21 |
| DDP Specialty Electronic Materials US, LLC | 442 |
19 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
14 |
| PPG Industries Ohio, Inc. | 3430 |
13 |
| Evonik Degussa GmbH | 1574 |
12 |
| Huntsman Petrochemical LLC | 276 |
11 |
| Tosoh Corporation | 1127 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| Mitsui Chemicals, Inc. | 3134 |
10 |
| Koei Chemical Company, Limited | 52 |
10 |
| H.B. Fuller Company | 370 |
9 |
| BASF Coatings GmbH | 1128 |
8 |
| Sekisui Chemical Co., Ltd. | 3159 |
7 |
| Other owners | 260 |