- Sections
- B - Techniques industriellestransports
- B01J - Procédés chimiques ou physiques, p. ex. catalyse ou chimie des colloïdesappareillage approprié
- B01J 37/28 - Phosphoration
Détention brevets de la classe B01J 37/28
Brevets de cette classe: 321
Historique des publications depuis 10 ans
|
33
|
21
|
21
|
20
|
14
|
12
|
16
|
5
|
19
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| IFP Energies Nouvelles | 2893 |
25 |
| Total Research & Technology Feluy | 446 |
20 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
14 |
| Saudi Arabian Oil Company | 12858 |
12 |
| BASF Corporation | 1714 |
11 |
| Shell Oil Company | 2141 |
9 |
| Advanced Refining Technologies LLC | 59 |
9 |
| China Petroleum & Chemical Corporation | 1869 |
9 |
| ExxonMobil Research And Engineering Company | 2592 |
8 |
| Indian Oil Corporation Limited | 333 |
8 |
| Research Institute of Petroleum Processing, Sinopec | 371 |
8 |
| Shell USA, Inc. | 1190 |
8 |
| BASF SE | 20777 |
6 |
| PetroChina Company Limited | 676 |
6 |
| Hindustan Petroleum Corporation Limited | 208 |
5 |
| Johnson Matthey Public Limited Company | 1862 |
5 |
| Ketjen Limited Liability Company | 55 |
5 |
| ExxonMobil Chemical Patents Inc. | 4028 |
4 |
| Saudi Basic Industries Corporation | 573 |
4 |
| AMG Chemistry and Catalysis Consulting, LLC | 4 |
4 |
| Autres propriétaires | 141 |