Patent holdings for IPC class C10L 1/198

Total number of patents in this class: 225

10-year publication summary

18
15
9
23
25
25
17
20
11
5
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
BASF SE
19740
37
The Lubrizol Corporation
1335
24
Innospec Limited
308
17
Shell Internationale Research Maatschappij B.V.
3792
8
Clariant International Ltd.
978
7
Afton Chemical Corporation
468
6
Shell Oil Company
2196
5
California Institute of Technology
3884
5
Palox Limited
12
5
SI Group, Inc.
176
5
Infineum International Limited
340
4
M-I L.L.C.
893
4
Schlumberger Norge AS
76
3
Chevron Oronite Company LLC
551
3
BP Oil International Limited
91
3
Croda, Inc.
124
3
DuPont Nutrition Biosciences ApS
575
3
Instituto Mexicano Del Petroleo
213
3
Rhodia Operations
1645
3
Total Marketing Services
487
3
Other owners 74