- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/04 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
Patent holdings for IPC class B01J 20/04
Total number of patents in this class: 1330
10-year publication summary
|
90
|
88
|
110
|
143
|
129
|
121
|
97
|
118
|
131
|
41
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| S.A. Lhoist Recherche et Developpement | 163 |
19 |
| Uop LLC | 4083 |
16 |
| Omya International AG | 816 |
16 |
| Bio-Rad Laboratories, Inc. | 1592 |
15 |
| Solvay SA | 1181 |
13 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Hoya Corporation | 2822 |
11 |
| SAES Getters S.p.A. | 338 |
11 |
| Fresenius Medical Care Holdings, Inc. | 1354 |
10 |
| Korea Electric Power Corporation | 467 |
10 |
| Mississippi Lime Company | 59 |
10 |
| IFP Energies Nouvelles | 2717 |
9 |
| Johnson Matthey Public Limited Company | 1852 |
9 |
| Purafil, Inc. | 51 |
9 |
| Nippon Shokubai Co., Ltd. | 1487 |
8 |
| NOx II, Ltd. | 50 |
8 |
| ExxonMobil Research And Engineering Company | 2830 |
7 |
| BASF Corporation | 2039 |
7 |
| Massachusetts Institute of Technology | 9795 |
7 |
| Eramet | 44 |
7 |
| Other owners | 1116 |