Détention brevets de la classe C01B 39/40

Brevets de cette classe: 259

Historique des publications depuis 10 ans

14
12
17
9
10
19
24
12
12
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Saudi Arabian Oil Company
13937
39
King Abdullah University of Science and Technology
1832
21
ExxonMobil Chemical Patents Inc.
3857
11
BASF SE
21147
10
Chevron U.S.A. Inc.
4076
9
ExxonMobil Research And Engineering Company
2479
7
Aramco Services Company
4168
6
China Petroleum & Chemical Corporation
2026
5
Tosoh Corporation
1377
5
University of Houston System
1116
5
Centre National de La Recherche Scientifique
10856
4
Uop LLC
4296
4
JX Nippon Oil & Energy Corporation
978
4
Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd.
4
4
SSI New Material (Zhenjiang) Co., Ltd.
65
4
The Regents of the University of California
20502
3
NGK Insulators, Ltd.
5171
3
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
687
3
Dalian University of Technology
1571
3
Ohio State Innovation Foundation
2298
3
Autres propriétaires 106