- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 31/20 - Dihydroxylic alcohols
Patent holdings for IPC class C07C 31/20
Total number of patents in this class: 1073
10-year publication summary
47
|
59
|
94
|
68
|
80
|
80
|
82
|
80
|
57
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shell Internationale Research Maatschappij B.V. | 3792 |
110 |
Shell Oil Company | 2196 |
66 |
BASF SE | 19740 |
50 |
Daicel Corporation | 2128 |
26 |
Archer Daniels Midland Company | 1164 |
25 |
Avantium Knowledge Centre B.V. | 157 |
25 |
Evonik Operations GmbH | 3879 |
23 |
Shell USA, Inc. | 1074 |
23 |
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
18 |
Genomatica, Inc. | 514 |
18 |
Changchun Meihe Science and Technology Development Co.,Ltd | 27 |
18 |
Mitsubishi Chemical Corporation | 4313 |
17 |
Toray Industries, Inc. | 6652 |
13 |
Asahi Kasei Chemicals Corporation | 809 |
13 |
LG Chem, Ltd. | 17205 |
12 |
The Coca-Cola Company | 2528 |
12 |
Chevron Phillips Chemical Company LP | 1779 |
11 |
Eastman Chemical Company | 2239 |
11 |
Johnson Matthey Davy Technologies Limited | 216 |
9 |
T.en Process Technology, Inc. | 53 |
9 |
Other owners | 564 |