- 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: 1999
10-year publication summary
|
144
|
162
|
166
|
165
|
139
|
149
|
113
|
89
|
114
|
90
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21036 |
136 |
| Mitsubishi Chemical Corporation | 4585 |
44 |
| International Business Machines Corporation | 61616 |
31 |
| 3m Innovative Properties Company | 17762 |
30 |
| LG Chem, Ltd. | 17680 |
30 |
| Nissan Chemical Industries, Ltd. | 1704 |
30 |
| Sumitomo Chemical Company, Limited | 9092 |
29 |
| The Boeing Company | 20139 |
26 |
| Agency for Science, Technology and Research | 3659 |
25 |
| Ecolab USA Inc. | 5544 |
25 |
| Universiteit Gent | 1355 |
24 |
| Dow Global Technologies LLC | 10459 |
21 |
| The Regents of the University of California | 20153 |
20 |
| Cambridge Display Technology Limited | 491 |
19 |
| Kemira Oyj | 1219 |
15 |
| Henkel AG & Co. KGaA | 10636 |
14 |
| Merck Patent GmbH | 5764 |
13 |
| The Johns Hopkins University | 5730 |
13 |
| Centre National de La Recherche Scientifique | 10595 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5715 |
12 |
| Other owners | 1430 |