Patent holdings for IPC class B01J 31/18

Total number of patents in this class: 1472

10-year publication summary

98
94
120
99
84
93
92
90
66
15
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17745
60
Chevron Phillips Chemical Company LP
1845
60
Evonik Oxeno GmbH & Co. KG
349
35
BASF SE
21146
33
Dow Technology Investments LLC
277
32
Dow Global Technologies LLC
10707
27
SABIC Global Technologies B.V.
4460
24
Eastman Chemical Company
2114
22
INV Nylon Chemicals Americas, LLC
199
21
Massachusetts Institute of Technology
10183
19
Centre National de La Recherche Scientifique
10812
18
Novomer, Inc.
213
18
INVISTA North America, LLC
148
17
ExxonMobil Research And Engineering Company
2497
14
Saudi Basic Industries Corporation
534
14
Linde Aktiengesellschaft
1458
14
The Trustees of Princeton University
1228
14
SCION Holdings LLC
31
14
ExxonMobil Chemical Patents Inc.
3889
13
Firmenich SA
1721
13
Other owners 990