- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/138 - HalogensCompounds thereof with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
Patent holdings for IPC class B01J 27/138
Total number of patents in this class: 172
10-year publication summary
|
14
|
13
|
15
|
17
|
10
|
14
|
7
|
9
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 13540 |
12 |
| Chevron Phillips Chemical Company LP | 1833 |
8 |
| The Procter & Gamble Company | 22043 |
7 |
| China Petroleum & Chemical Corporation | 1901 |
6 |
| Oxy Vinyls, L.P. | 20 |
5 |
| Xi'an Modern Chemistry Research Institute | 28 |
4 |
| Centre National de La Recherche Scientifique | 10464 |
3 |
| Uop LLC | 4237 |
3 |
| Arkema France | 4154 |
3 |
| Basell Poliolefine Italia S.r.l. | 908 |
3 |
| Evonik Operations GmbH | 4114 |
3 |
| The Regents of the University of California | 19961 |
2 |
| DSM IP Assets B.V. | 5585 |
2 |
| Mitsubishi Chemical Corporation | 4525 |
2 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 295 |
2 |
| Clariant Catalysts (Japan) K.K. | 31 |
2 |
| Daihachi Chemical Industry Co., Ltd. | 62 |
2 |
| Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp. | 49 |
2 |
| Kyoto University | 2801 |
2 |
| Mexichem Amanco Holding S.A. de C.V. | 126 |
2 |
| Other owners | 97 |