Patent holdings for IPC class C08L 33/20

Total number of patents in this class: 362

10-year publication summary

38
31
46
22
20
15
16
18
16
14
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17997
35
Zeon Corporation
4182
18
Lotte Advanced Materials Co., Ltd.
398
14
Kaneka Corporation
4841
9
Toray Industries, Inc.
7167
5
INEOS Styrolution Group GmbH
364
5
Midori Anzen Co., Ltd.
98
5
Sekisui Chemical Co., Ltd.
3669
5
Denka Company Limited
2778
4
Kingfa SCI & Tech Co. Ltd.
736
4
Kossan Sdn Bhd
20
4
North Carolina State University
1604
4
Rutgers, The State University of New Jersey
2000
4
Trinseo Europe GmbH
326
4
The United States of America as represented by the Secretary of the Air Force
945
4
UT-Battelle, LLC
1544
4
BASF SE
21334
3
Robert Bosch GmbH
44427
3
Sabic Innovative Plastics IP B.V.
571
3
The Johns Hopkins University
5958
3
Other owners 222