- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/20 - Tetrahydrofuran
Patent holdings for IPC class C08G 65/20
Total number of patents in this class: 73
10-year publication summary
13
|
7
|
4
|
8
|
2
|
5
|
4
|
4
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
INVISTA Technologies S.a.r.l. | 450 |
9 |
BASF SE | 19740 |
8 |
Mitsubishi Chemical Corporation | 4313 |
6 |
DuPont Polymers, Inc. | 338 |
4 |
Hodogaya Chemical Co., Ltd. | 417 |
3 |
LG Chem, Ltd. | 17205 |
2 |
E. I. du Pont de Nemours and Company | 4345 |
2 |
Henkel AG & Co. KGaA | 10129 |
2 |
Arbutus Biopharma Corporation | 183 |
2 |
BASF Coatings GmbH | 1128 |
2 |
INVISTA North America S.a.r.l. | 182 |
2 |
Korea PTG Co., Ltd. | 4 |
2 |
Solvay Specialty Polymers USA, LLC | 521 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Ricoh Company, Ltd. | 13266 |
1 |
Dow Global Technologies LLC | 10147 |
1 |
Toyoda Gosei Co., Ltd. | 1746 |
1 |
Idemitsu Kosan Co., Ltd. | 3995 |
1 |
Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
The United States of America as represented by the Secretary of the Army | 1195 |
1 |
Other owners | 20 |