- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses 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: 1584
10-year publication summary
|
110
|
144
|
129
|
121
|
100
|
120
|
136
|
139
|
131
|
79
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4393 |
20 |
| Bio-Rad Laboratories, Inc. | 1610 |
20 |
| S.A. Lhoist Recherche et Developpement | 205 |
17 |
| Samsung Electronics Co., Ltd. | 157719 |
15 |
| Omya International AG | 777 |
15 |
| Imam Mohammad Ibn Saud Islamic University | 232 |
15 |
| Solvay SA | 946 |
13 |
| SAES Getters S.p.A. | 326 |
11 |
| Hoya Corporation | 2721 |
10 |
| Mississippi Lime Company | 39 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
9 |
| Nippon Shokubai Co., Ltd. | 1538 |
9 |
| Purafil, Inc. | 45 |
9 |
| LG Chem, Ltd. | 17921 |
8 |
| Albemarle Corporation | 484 |
8 |
| Korea Electric Power Corporation | 463 |
8 |
| Research Triangle Institute | 418 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
7 |
| The Regents of the University of California | 20745 |
7 |
| ExxonMobil Research And Engineering Company | 2422 |
7 |
| Other owners | 1358 |