Patent holdings for IPC class C07C 321/04

Total number of patents in this class: 151

10-year publication summary

16
19
7
17
7
15
6
13
7
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Arkema France
4189
22
Chevron Phillips Chemical Company LP
1862
22
Evonik Degussa GmbH
1404
6
ARK Diagnostics, Inc.
35
6
Koc Solution Co., Ltd.
65
4
Shanghai Kechow Pharma Inc.
22
4
Hamad Bin Khalifa University
112
4
Mitsui Chemicals, Inc.
3227
3
Arkema Inc.
1052
3
Hoya Lens Thailand Ltd.
606
3
SKC Co., Ltd.
325
3
The Regents of the University of California
20590
2
Mars, Incorporated
2885
2
FUJIFILM Corporation
30327
2
Purdue Research Foundation
3874
2
Akzo Nobel Chemicals International B.V.
424
2
The Brigham and Women's Hospital, Inc.
2270
2
Dana-Farber Cancer Institute, Inc.
2645
2
KS Laboratories Co., Ltd.
19
2
National Sun Yat-Sen University
214
2
Other owners 53