Patent holdings for IPC class C08G 77/20

Total number of patents in this class: 2116

10-year publication summary

140
141
190
173
181
199
201
142
124
50
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dow Silicones Corporation
1883
238
Shin-Etsu Chemical Co., Ltd.
5586
214
Dow Toray Co., Ltd.
551
106
Wacker Chemie AG
2102
83
LG Chem, Ltd.
17538
54
Dow Global Technologies LLC
10328
48
Alcon, Inc.
5387
36
Henkel AG & Co. KGaA
10424
34
3m Innovative Properties Company
17848
30
Elkem Silicones France SAS
157
30
Momentive Performance Materials Inc.
921
25
Citibank, N.A., AS Administrative Agent
272
24
Momentive Performance Materials Japan LLC
168
24
Dow Corning Corporation
976
23
Nissan Chemical Industries, Ltd.
1733
23
Toagosei Co., Ltd.
953
20
DuPont Toray Specialty Materials Kabushiki Kaisha
63
19
Ethicon, Inc.
1199
18
Pallidus, Inc.
34
18
Toray Industries, Inc.
6867
16
Other owners 1033