Patent holdings for IPC class C07C 321/04

Total number of patents in this class: 152

10-year publication summary

16
19
7
17
7
15
6
13
8
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Arkema France
4237
23
Chevron Phillips Chemical Company LP
1880
22
ARK Diagnostics, Inc.
37
6
Evonik Degussa GmbH
1340
5
Arkema Inc.
1059
4
Koc Solution Co., Ltd.
65
4
Shanghai Kechow Pharma Inc.
28
4
Hamad Bin Khalifa University
117
4
Mitsui Chemicals, Inc.
3288
3
Hoya Lens Thailand Ltd.
648
3
SKC Co., Ltd.
327
3
The Regents of the University of California
20987
2
Mars, Incorporated
2901
2
FUJIFILM Corporation
30849
2
Purdue Research Foundation
3993
2
Akzo Nobel Chemicals International B.V.
411
2
The Brigham and Women's Hospital, Inc.
2307
2
Dana-Farber Cancer Institute, Inc.
2685
2
KS Laboratories Co., Ltd.
20
2
National Sun Yat-Sen University
213
2
Other owners 53