- Sections
- C - Chimie; métallurgie
- C09K - Substances pour des applications non prévues ailleurs; applications de substances non prévues ailleurs
- C09K 8/88 - Composés macromoléculaires
Détention brevets de la classe C09K 8/88
Brevets de cette classe: 842
Historique des publications depuis 10 ans
|
71
|
134
|
117
|
98
|
94
|
84
|
58
|
40
|
32
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
168 |
| Saudi Arabian Oil Company | 11322 |
57 |
| Baker Hughes Holdings LLC | 3060 |
31 |
| Schlumberger Technology Corporation | 9690 |
30 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 211 |
28 |
| Aramco Services Company | 3504 |
19 |
| BASF SE | 19740 |
18 |
| Chevron U.S.A. Inc. | 3774 |
18 |
| Independence Oilfield Chemicals, LLC | 33 |
18 |
| Schlumberger Canada Limited | 6913 |
16 |
| Schlumberger Technology B.v. | 4951 |
16 |
| Services Petroliers Schlumberger | 5426 |
16 |
| Rhodia Operations | 1645 |
14 |
| S.p.c.m. SA | 308 |
14 |
| Baker Hughes, a GE Company, LLC | 2171 |
14 |
| Schlumberger Holdings Limited | 2947 |
12 |
| Prad Research and Development Limited | 2696 |
12 |
| Baker Hughes Incorporated | 5689 |
11 |
| Sterling Specialty Chemicals Holding UK Limited | 56 |
10 |
| Chevron Oronite Company LLC | 551 |
9 |
| Autres propriétaires | 311 |