Détention brevets de la classe C10L 1/238

Brevets de cette classe: 237

Historique des publications depuis 10 ans

16
18
5
12
9
12
14
13
17
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Innospec Limited
308
41
BASF SE
19740
34
The Lubrizol Corporation
1335
29
Afton Chemical Corporation
468
12
Shell Internationale Research Maatschappij B.V.
3792
10
Total Marketing Services
487
8
ExxonMobil Research And Engineering Company
2830
6
BP Oil International Limited
91
6
Totalenergies Onetech (previously Totalenergies One Tech)
323
6
Rhodia Operations
1645
5
Shell Oil Company
2196
4
Chevron U.S.A. Inc.
3774
4
Chevron Oronite Company LLC
551
3
Akzo Nobel Chemicals International B.V.
520
3
China Petroleum & Chemical Corporation
1623
3
Huntsman Petrochemical LLC
276
3
Innospec Fuel Specialties LLC
33
3
Research Institute of Petroleum Processing, Sinopec
387
3
The United States of America as represented by the Secretary of the Air Force
754
3
Baker Hughes Oilfield Operations, LLC
1885
3
Autres propriétaires 48