- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 19/02 - Apparatus characterised by being constructed of material selected for its chemically-resistant properties
Patent holdings for IPC class B01J 19/02
Total number of patents in this class: 512
10-year publication summary
|
54
|
57
|
57
|
39
|
29
|
29
|
25
|
26
|
27
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4117 |
21 |
| Total Raffinage Chimie | 132 |
16 |
| Stamicarbon B.V. | 276 |
14 |
| Uop LLC | 4187 |
13 |
| Arkema France | 3887 |
13 |
| NOVA Chemicals (International) S.A. | 755 |
13 |
| BASF SE | 20387 |
11 |
| Casale SA | 593 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3585 |
10 |
| DSM IP Assets B.V. | 5819 |
9 |
| REC Silicon Inc | 76 |
6 |
| SABIC Global Technologies B.V. | 4193 |
6 |
| Wacker Chemie AG | 2100 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
5 |
| Evonik Degussa GmbH | 1557 |
5 |
| University of Florida Research Foundation, Inc. | 3952 |
5 |
| Johnson Matthey Public Limited Company | 1850 |
5 |
| Auterra, Inc. | 44 |
4 |
| CEM Corporation | 99 |
4 |
| Saipem S.p.A. | 510 |
4 |
| Other owners | 332 |