Patent holdings for IPC class C08F 4/642

Total number of patents in this class: 520

10-year publication summary

24
30
57
58
25
24
19
13
23
7
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
3977
64
LG Chem, Ltd.
17635
56
Dow Global Technologies LLC
10360
35
Chevron Phillips Chemical Company LP
1833
34
NOVA Chemicals (International) S.A.
773
22
Hanwha Chemical Corporation
320
21
China Petroleum & Chemical Corporation
1901
15
Univation Technologies, LLC
639
15
SABIC SK Nexlene Company Pte. Ltd.
74
12
Basell Polyolefine GmbH
549
11
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
295
11
Mitsui Chemicals, Inc.
3222
10
W. R. Grace & Co.-Conn.
299
10
W.R. Grace & Co.-conn.
369
10
Borealis AG
2809
8
FINA Technology, Inc.
514
8
Basell Poliolefine Italia S.r.l.
908
7
PetroChina Company Limited
709
7
Lotte Chemical Corporation
728
6
Hanwha Solutions Corporation
841
6
Other owners 152