Détention brevets de la classe C01B 39/12

Brevets de cette classe: 135

Historique des publications depuis 10 ans

14
19
14
17
10
7
2
3
11
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
BASF SE
19740
39
Chevron U.S.A. Inc.
3774
35
ExxonMobil Research And Engineering Company
2830
12
ExxonMobil Chemical Patents Inc.
4286
9
Uop LLC
4083
7
California Institute of Technology
3884
5
China Petroleum & Chemical Corporation
1623
4
ExxonMobil Technology and Engineering Company
676
4
Dow Global Technologies LLC
10147
2
Mitsui Mining & Smelting Co., Ltd.
1373
2
Research Institute of Petroleum Processing, Sinopec
387
2
Saudi Arabian Oil Company
11322
2
Shanghai Research Institute of Petrochemical Technology Sinopec
252
2
Technische Universitat Clausthal
32
2
The Regents of the University of California
18943
1
AAC Acoustic Technologies (Shenzhen) Co., Ltd.
1827
1
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
105
1
King Fahd University of Petroleum and Minerals
779
1
The University of Tokyo
3903
1
BASF (China) Co., Ltd.
755
1
Autres propriétaires 2