- 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: 503
10-year publication summary
|
60
|
54
|
57
|
57
|
39
|
29
|
29
|
24
|
26
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4286 |
22 |
| Total Raffinage Chimie | 134 |
16 |
| Arkema France | 3790 |
14 |
| Uop LLC | 4083 |
13 |
| NOVA Chemicals (International) S.A. | 717 |
13 |
| Stamicarbon B.V. | 265 |
13 |
| BASF SE | 19740 |
11 |
| Casale SA | 572 |
10 |
| DSM IP Assets B.V. | 5856 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
8 |
| Cavitation Technologies, Inc. | 45 |
6 |
| REC Silicon Inc | 77 |
6 |
| SABIC Global Technologies B.V. | 4044 |
6 |
| Wacker Chemie AG | 2091 |
6 |
| Evonik Degussa GmbH | 1574 |
5 |
| University of Florida Research Foundation, Inc. | 3883 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
4 |
| Auterra, Inc. | 46 |
4 |
| CEM Corporation | 101 |
4 |
| Hatch Ltd. | 219 |
4 |
| Other owners | 324 |