- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 73/02 - Polyamines
Patent holdings for IPC class C08G 73/02
Total number of patents in this class: 2031
10-year publication summary
|
168
|
173
|
174
|
151
|
159
|
125
|
101
|
122
|
103
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21165 |
138 |
| Mitsubishi Chemical Corporation | 4665 |
46 |
| International Business Machines Corporation | 62325 |
31 |
| LG Chem, Ltd. | 17883 |
30 |
| Nissan Chemical Industries, Ltd. | 1661 |
30 |
| Sumitomo Chemical Company, Limited | 9015 |
29 |
| 3m Innovative Properties Company | 17491 |
28 |
| The Boeing Company | 20131 |
26 |
| Ecolab USA Inc. | 5753 |
26 |
| Agency for Science, Technology and Research | 3697 |
25 |
| Universiteit Gent | 1375 |
24 |
| The Regents of the University of California | 20590 |
22 |
| Dow Global Technologies LLC | 10845 |
21 |
| Cambridge Display Technology Limited | 484 |
18 |
| Kemira Oyj | 1244 |
18 |
| Henkel AG & Co. KGaA | 10703 |
15 |
| Boston Scientific Scimed, Inc. | 11051 |
14 |
| The Johns Hopkins University | 5844 |
14 |
| Merck Patent GmbH | 5669 |
13 |
| Massachusetts Institute of Technology | 10204 |
12 |
| Other owners | 1451 |