Détention brevets de la classe B01J 29/70

Brevets de cette classe: 2140

Historique des publications depuis 10 ans

166
218
200
176
136
127
104
107
81
44
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Chevron U.S.A. Inc.
4136
194
ExxonMobil Chemical Patents Inc.
3776
113
BASF SE
21308
103
Johnson Matthey Public Limited Company
1761
99
ExxonMobil Research And Engineering Company
2407
92
Saudi Arabian Oil Company
14248
92
Uop LLC
4393
73
China Petroleum & Chemical Corporation
2154
59
ExxonMobil Technology and Engineering Company
1367
47
BASF Corporation
1683
42
IFP Energies Nouvelles
3095
42
BASF Mobile Emissions Catalysts LLC
431
42
Dow Global Technologies LLC
10960
41
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
692
30
Umicore AG & Co. KG
854
30
Tosoh Corporation
1420
24
California Institute of Technology
4037
21
Aramco Services Company
4196
21
Universidad Politecnica de Valencia
555
20
Research Institute of Petroleum Processing, Sinopec
362
17
Autres propriétaires 938