Patent holdings for IPC class C08F 4/642

Total number of patents in this class: 523

10-year publication summary

30
60
61
25
24
19
16
24
10
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
3796
64
LG Chem, Ltd.
17929
58
Dow Global Technologies LLC
10916
37
Chevron Phillips Chemical Company LP
1866
33
NOVA Chemicals (International) S.A.
792
22
Hanwha Chemical Corporation
309
21
China Petroleum & Chemical Corporation
2140
16
Univation Technologies, LLC
618
15
SABIC SK Nexlene Company Pte. Ltd.
72
11
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
293
10
Mitsui Chemicals, Inc.
3242
9
Basell Polyolefine GmbH
519
9
W. R. Grace & Co.-Conn.
295
9
Hanwha Solutions Corporation
1152
9
Borealis AG
2724
8
FINA Technology, Inc.
490
8
W.R. Grace & Co.-conn.
356
8
Lotte Chemical Corporation
782
7
PetroChina Company Limited
878
7
Basell Poliolefine Italia S.r.l.
931
6
Other owners 156