Patent holdings for IPC class C08F 4/642

Total number of patents in this class: 516

10-year publication summary

24
30
60
61
25
24
19
14
23
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Chemical Patents Inc.
4021
64
LG Chem, Ltd.
17564
56
Chevron Phillips Chemical Company LP
1835
34
Dow Global Technologies LLC
10384
32
NOVA Chemicals (International) S.A.
770
22
Hanwha Chemical Corporation
322
21
China Petroleum & Chemical Corporation
1874
15
Univation Technologies, LLC
643
15
SABIC SK Nexlene Company Pte. Ltd.
74
12
Mitsui Chemicals, Inc.
3206
11
Basell Polyolefine GmbH
547
11
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
297
11
W. R. Grace & Co.-Conn.
297
10
W.R. Grace & Co.-conn.
370
9
Borealis AG
2793
8
FINA Technology, Inc.
514
8
Basell Poliolefine Italia S.r.l.
895
7
PetroChina Company Limited
685
7
Lotte Chemical Corporation
720
6
Hanwha Solutions Corporation
802
6
Other owners 151