- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 27/049 - Sulfides with chromium, molybdenum, tungsten or polonium with iron group metals or platinum group metals
Patent holdings for IPC class B01J 27/049
Total number of patents in this class: 103
10-year publication summary
2
|
5
|
0
|
9
|
8
|
3
|
7
|
2
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chevron U.S.A. Inc. | 3774 |
16 |
ExxonMobil Research And Engineering Company | 2830 |
10 |
Uop LLC | 4083 |
7 |
King Fahd University of Petroleum and Minerals | 779 |
6 |
ENI S.p.A. | 1241 |
5 |
Chiyoda Corporation | 363 |
4 |
IFP Energies Nouvelles | 2717 |
4 |
Industrie de Nora S.p.A. | 274 |
4 |
Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
Total Raffinage Marketing | 154 |
3 |
Shell USA, Inc. | 1074 |
3 |
Ketjen Limited Liability Company | 35 |
3 |
Shell Oil Company | 2196 |
2 |
Showa Denko K.K. | 2539 |
2 |
Hindustan Petroleum Corporation Limited | 191 |
2 |
Instituto Mexicano Del Petroleo | 213 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Oxford University Innovation Limited | 1421 |
2 |
Corning Incorporated | 9932 |
1 |
ExxonMobil Chemical Patents Inc. | 4286 |
1 |
Other owners | 21 |