- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/42 - Chemical after-treatment
Patent holdings for IPC class C08G 64/42
Total number of patents in this class: 258
10-year publication summary
30
|
27
|
27
|
21
|
28
|
28
|
15
|
12
|
13
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Covestro Deutschland AG | 2429 |
19 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
19 |
International Business Machines Corporation | 60644 |
17 |
BASF SE | 19740 |
11 |
SABIC Global Technologies B.V. | 4044 |
8 |
Saudi Aramco Technologies Company | 107 |
8 |
Vanderbilt University | 1731 |
6 |
Presidium Innovations, LLC | 9 |
6 |
Agency for Science, Technology and Research | 3512 |
5 |
Sirigen II Limited | 28 |
5 |
LG Chem, Ltd. | 17205 |
4 |
Mitsubishi Chemical Corporation | 4313 |
4 |
SK Innovation Co., Ltd. | 1015 |
4 |
3m Innovative Properties Company | 18406 |
3 |
Saudi Basic Industries Corporation | 625 |
3 |
PPG Industries Ohio, Inc. | 3430 |
3 |
Changchun Institute of Applied Chemistry Chinese Academy of Sciences | 101 |
3 |
Kode Biotech Limited | 22 |
3 |
National University Corporation Tokyo University of Agriculture and Technology | 341 |
3 |
Roquette Freres | 1002 |
3 |
Other owners | 121 |