Patent holdings for IPC class C10L 1/198

Total number of patents in this class: 239

10-year publication summary

9
23
25
25
17
20
13
14
9
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21320
34
The Lubrizol Corporation
1260
24
Innospec Limited
413
15
Totalenergies Onetech
1544
8
California Institute of Technology
4037
7
Shell Internationale Research Maatschappij B.V.
3391
6
Afton Chemical Corporation
498
6
Shell Oil Company
2068
5
Chevron Oronite Company LLC
598
5
Clariant International Ltd.
892
5
SI Group, Inc.
183
5
Chevron U.S.A. Inc.
4162
4
Infineum International Limited
454
4
M-I L.L.C.
737
4
Palox Limited
11
4
Evonik Operations GmbH
4395
4
Schlumberger Norge AS
73
3
BP Oil International Limited
73
3
DuPont Nutrition Biosciences ApS
469
3
Instituto Mexicano Del Petroleo
201
3
Other owners 87