- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/138 - Halogens; Compounds 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: 164
10-year publication summary
13
|
14
|
13
|
15
|
18
|
10
|
14
|
7
|
9
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Honeywell International Inc. | 13799 |
12 |
The Procter & Gamble Company | 22178 |
7 |
Chevron Phillips Chemical Company LP | 1779 |
6 |
China Petroleum & Chemical Corporation | 1623 |
6 |
Oxy Vinyls, L.P. | 20 |
5 |
Basell Poliolefine Italia S.r.l. | 867 |
4 |
Xi'an Modern Chemistry Research Institute | 26 |
4 |
Centre National de La Recherche Scientifique | 9632 |
3 |
Uop LLC | 4083 |
3 |
Arkema France | 3790 |
3 |
Evonik Operations GmbH | 3879 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
The Regents of the University of California | 18943 |
2 |
Shell Oil Company | 2196 |
2 |
DSM IP Assets B.V. | 5856 |
2 |
Mitsubishi Chemical Corporation | 4313 |
2 |
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 297 |
2 |
Clariant Catalysts (Japan) K.K. | 28 |
2 |
Daihachi Chemical Industry Co., Ltd. | 63 |
2 |
Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp. | 49 |
2 |
Other owners | 90 |