Patent holdings for IPC class C08K 5/39

Total number of patents in this class: 144

10-year publication summary

13
8
12
21
13
14
9
4
10
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Bridgestone Corporation
7228
12
Lanxess Deutschland GmbH
1111
5
Compagnie Generale des Etablissements Michelin
4754
5
The Goodyear Tire & Rubber Company
2488
4
Sumitomo Rubber Industries, Ltd.
4664
4
Henkel AG & Co. KGaA
10609
4
Denka Company Limited
2600
4
Karex Holdings Sdn. Bhd.
14
4
Osaka Soda Co., Ltd.
232
4
Sumitomo Seika Chemicals Co., Ltd.
1042
4
Daikin Industries, Ltd.
10070
3
Zeon Corporation
4077
3
Eneos Materials Corporation
270
3
LG Chem, Ltd.
17644
2
ExxonMobil Chemical Patents Inc.
3976
2
Mitsui Chemicals, Inc.
3232
2
Flexsys America L.P.
27
2
Milliken & Company
1191
2
Momentive Performance Materials Inc.
912
2
NOK Corporation
2229
2
Other owners 71