- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir 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: 509
10-year publication summary
|
54
|
57
|
57
|
39
|
29
|
29
|
25
|
28
|
27
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4028 |
21 |
| Total Raffinage Chimie | 132 |
16 |
| Stamicarbon B.V. | 290 |
15 |
| NOVA Chemicals (International) S.A. | 770 |
14 |
| Uop LLC | 4209 |
13 |
| Arkema France | 3987 |
13 |
| Casale SA | 605 |
11 |
| BASF SE | 20777 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3932 |
10 |
| DSM IP Assets B.V. | 5659 |
9 |
| REC Silicon Inc | 76 |
6 |
| SABIC Global Technologies B.V. | 4288 |
6 |
| Wacker Chemie AG | 2102 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
5 |
| Evonik Degussa GmbH | 1542 |
5 |
| University of Florida Research Foundation, Inc. | 3989 |
5 |
| Johnson Matthey Public Limited Company | 1862 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
4 |
| Auterra, Inc. | 41 |
4 |
| Saipem S.p.A. | 514 |
4 |
| Other owners | 327 |