Patent holdings for IPC class C08F 4/80

Total number of patents in this class: 319

10-year publication summary

14
12
12
13
9
21
20
8
15
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Japan Polyethylene Corporation
137
24
The University of Tokyo
4390
20
Japan Polypropylene Corporation
141
13
Dow Global Technologies LLC
11051
10
Crasus Chemical Inc.
49
9
LG Chem, Ltd.
17970
8
ExxonMobil Chemical Patents Inc.
3762
7
Showa Denko K.K.
2059
7
Basell Polyolefine GmbH
514
7
Japan Polychem Corporation
20
7
Materia, Inc.
49
7
ExxonMobil Product Solutions Company
129
7
California Institute of Technology
4038
6
Promerus, LLC
154
6
Sumitomo Bakelite Co., Ltd.
1543
6
The Board of Trustees of the University of Illinois
2754
5
Kyoto University
2934
5
Saudi Aramco Technologies Company
113
5
China Petroleum & Chemical Corporation
2175
4
Umicore AG & Co. KG
848
4
Other owners 152