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  • A - Human necessities
  • A61K - Preparations for medical, dental or toiletry purposes
  • A61K 31/402 - 1-aryl-substituted, e.g. piretanide

Patent holdings for IPC class A61K 31/402

Total number of patents in this class: 460

10-year publication summary

35
28
23
29
21
10
20
18
20
17
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Synact Pharma ApS
22
18
Galderma Research & Development
398
16
Ligand Pharmaceuticals Incorporated
171
13
Takeda Pharmaceutical Company Limited
2705
10
F. Hoffmann-La Roche AG
7941
8
University of Pittsburgh - Of the Commonwealth System of Higher Education
3183
8
Bristol-myers Squibb Company
4867
7
Merck Patent GmbH
5824
7
University of Rochester
1315
7
Kinki University
245
6
Nippon Chemiphar Co., Ltd.
227
6
The United States Government AS represented by The Department of Veterans Affairs
1207
6
Novartis AG
10730
5
Conopco, Inc.
4996
5
Allergan, Inc.
2337
5
Board of Regents of the University of Nebraska
766
5
Nektar Therapeutics
438
5
The Scripps Research Institute
1348
5
Temple University of the Commonwealth System of Higher Education
626
5
Trustees of Tufts College
886
5
Other owners 308

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