Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
  • C09B 7/02 - Bis-indole indigos

Patent holdings for IPC class C09B 7/02

Total number of patents in this class: 62

10-year publication summary

6
5
10
8
5
2
4
3
2
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Archroma IP GmbH
457
7
Provepharm Life Solutions
64
6
The Regents of the University of California
20494
4
Medivir AB
114
3
Industrial Technology Research Institute
5068
2
Dai Nippon Printing Co., Ltd.
4186
2
Biophore India Pharmaceuticals Pvt. Ltd.
88
2
Consejo Superior de Investigaciones Cientificas (csic)
1421
2
VF Jeanswear Limited Partnership
15
2
Dishman Carbogen Amcis Limited
9
2
Bann Química Ltda.
2
2
Renewal Fund 2 LLC
5
2
Schlumberger Canada Limited
7552
1
Schlumberger Technology B.v.
5265
1
Schlumberger Holdings Limited
2747
1
Halliburton Energy Services, Inc.
21151
1
FUJIFILM Corporation
30155
1
Novozymes A/S
3348
1
Board of Trustees of Southern Illinois University
97
1
Emory University
1692
1
Other owners 18

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