- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
Patent holdings for IPC class B01J 20/20
Total number of patents in this class: 2411
10-year publication summary
|
154
|
186
|
225
|
236
|
247
|
221
|
250
|
219
|
209
|
67
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Calgon Carbon Corporation | 224 |
43 |
| Kuraray Co., Ltd. | 3392 |
42 |
| Blucher GmbH | 192 |
32 |
| ARQ Solutions, LLC | 43 |
30 |
| Ingevity South Carolina, LLC | 232 |
29 |
| King Fahd University of Petroleum and Minerals | 779 |
28 |
| Entegris, Inc. | 1736 |
27 |
| Corning Incorporated | 9932 |
24 |
| Sony Corporation | 32931 |
23 |
| Nippon Paper Industries Co., Ltd. | 782 |
21 |
| Osaka Gas Chemicals Co., Ltd. | 113 |
19 |
| Dow Global Technologies LLC | 10147 |
17 |
| Saudi Arabian Oil Company | 11322 |
17 |
| Toyobo Co., Ltd. | 2286 |
17 |
| Carbon Technology Holdings, LLC | 185 |
17 |
| Futamura Kagaku Kabushiki Kaisha | 71 |
15 |
| BASF Corporation | 2039 |
14 |
| King Abdulaziz University | 511 |
13 |
| Midwest Energy Emissions Corp. | 26 |
13 |
| 3m Innovative Properties Company | 18406 |
12 |
| Other owners | 1958 |