Patent holdings for IPC class C07C 319/20

Total number of patents in this class: 479

10-year publication summary

23
34
36
35
41
31
26
21
15
15
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8996
40
Evonik Operations GmbH
4336
36
Mitsui Chemicals, Inc.
3242
16
Bayer Cropscience AG
1846
13
Adisseo France S.A.S.
155
12
Evonik Degussa GmbH
1379
10
Daikin Industries, Ltd.
10478
9
Kumiai Chemical Industry Co., Ltd.
314
8
BASF SE
21303
7
Centre National de La Recherche Scientifique
11016
7
Hoya Lens Thailand Ltd.
609
7
Chevron Phillips Chemical Company LP
1862
6
Kemin Industries, Inc.
365
6
Zhejiang Nhu Company Limited
193
6
Wyeth LLC
608
5
Ajinomoto Co., Inc.
2279
5
National University Corporation Hokkaido University
1366
5
Zhejiang University
3441
5
F. Hoffmann-La Roche AG
7836
4
Arkema France
4238
4
Other owners 268