Patent holdings for IPC class C07C 9/21

Total number of patents in this class: 28

10-year publication summary

0
7
5
1
1
0
0
0
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Research And Engineering Company
2547
10
E. I. du Pont de Nemours and Company
3922
5
Gevo, Inc.
266
3
Neste Oyj
778
2
BASF SE
21080
1
Shell Internationale Research Maatschappij B.V.
3544
1
Shell Oil Company
2135
1
Wako Pure Chemical Industries, Ltd.
131
1
Korea Institute of Petroleum Management
4
1
Saipem S.p.A.
518
1
Xiangjin Zhou
2
1
China University of Petroleum
57
1
Other owners 0