• All sections
  • C - Chemistry; metallurgy
  • C07D - Heterocyclic compounds
  • C07D 205/08 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams

Patent holdings for IPC class C07D 205/08

Total number of patents in this class: 254

10-year publication summary

7
21
9
13
11
6
14
8
8
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Zhejiang Hisun Pharmaceutical Co., Ltd.
269
10
Bristol-myers Squibb Company
4883
8
Allergan, Inc.
2445
8
eXIthera Pharmaceuticals Inc.
27
7
Merck Sharp & Dohme LLC
3744
7
Microbia, Inc.
23
6
Servier Pharmaceuticals, LLC
102
6
BASF SE
20387
5
AstraZeneca AB
2961
5
Lek Pharmaceuticals d.d.
211
5
Sanofi-Aventis Deutschland GmbH
2603
4
Mayo Foundation for Medical Education and Research
3102
4
Queen's University at Kingston
534
4
Kaneka Corporation
4493
3
Ind-Swift Laboratories Limited
57
3
InterMune, Inc.
95
3
National Institute of Biological Sciences, Beijing
94
3
Orion Corporation
591
3
Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
164
3
Teva Pharmaceutical Industries Ltd.
854
3
Other owners 154