Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C07C - Acyclic or carbocyclic compounds
  • C07C 251/22 - Quinone imines

Patent holdings for IPC class C07C 251/22

Total number of patents in this class: 22

10-year publication summary

1
0
2
0
1
0
0
0
2
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nissan Chemical Industries, Ltd.
1661
3
Sekisui Chemical Co., Ltd.
3579
2
L' Oréal
5757
2
BASF SE
21165
1
Centre National de La Recherche Scientifique
10914
1
Emory University
1712
1
Keio University
1124
1
Ludwig Institute for Cancer Research Ltd.
74
1
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
1825
1
Milliken & Company
1146
1
Universite de Strasbourg
705
1
University of Louisville Research Foundation, Inc.
729
1
University of Nebraska Lincoln
8
1
Ustav Experimentalni Botaniky AV CR, V.v.i.
11
1
DH Technologies Development Pte. Ltd.
1160
1
Kabushiki Kaisha Toyota Jidoshokki
1806
1
Institute for Stem Cell Biology and Regenerative Medicine (inStem)
5
1
ENEOS Corporation
671
1
Other owners 0

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved