- 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: 1987
10-year publication summary
|
159
|
168
|
173
|
174
|
150
|
156
|
125
|
99
|
114
|
75
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20915 |
135 |
| Mitsubishi Chemical Corporation | 4519 |
43 |
| 3m Innovative Properties Company | 17819 |
31 |
| International Business Machines Corporation | 61287 |
31 |
| LG Chem, Ltd. | 17639 |
30 |
| Nissan Chemical Industries, Ltd. | 1716 |
30 |
| Sumitomo Chemical Company, Limited | 9049 |
29 |
| The Boeing Company | 20057 |
26 |
| Ecolab USA Inc. | 5499 |
25 |
| Agency for Science, Technology and Research | 3627 |
24 |
| Universiteit Gent | 1331 |
23 |
| The Regents of the University of California | 19943 |
20 |
| Dow Global Technologies LLC | 10349 |
20 |
| Cambridge Display Technology Limited | 496 |
20 |
| Kemira Oyj | 1207 |
15 |
| Henkel AG & Co. KGaA | 10584 |
14 |
| Merck Patent GmbH | 5818 |
13 |
| The Johns Hopkins University | 5671 |
13 |
| Centre National de La Recherche Scientifique | 10442 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5663 |
12 |
| Other owners | 1421 |