Patent holdings for IPC class C10L 1/198

Total number of patents in this class: 237

10-year publication summary

15
9
23
25
25
17
20
13
12
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
BASF SE
20803
40
The Lubrizol Corporation
1283
24
Innospec Limited
336
16
Shell Internationale Research Maatschappij B.V.
3551
7
Afton Chemical Corporation
481
6
Clariant International Ltd.
935
6
Shell Oil Company
2141
5
California Institute of Technology
3969
5
Palox Limited
12
5
SI Group, Inc.
181
5
Chevron Oronite Company LLC
570
4
Infineum International Limited
383
4
M-I L.L.C.
815
4
Totalenergies Onetech
1267
4
Schlumberger Norge AS
73
3
Chevron U.S.A. Inc.
3939
3
BP Oil International Limited
80
3
DuPont Nutrition Biosciences ApS
496
3
Instituto Mexicano Del Petroleo
220
3
Rhodia Operations
1581
3
Other owners 84