Patent holdings for IPC class C07C 251/40

Total number of patents in this class: 53

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8968
6
BASF SE
21308
4
Takasago International Corporation
405
3
Nissan Chemical Corporation
2229
3
PI Industries Ltd
199
3
S H Kelkar & Company Limited
8
3
Novartis AG
10251
2
FUJIFILM Corporation
30516
2
Firmenich SA
1761
2
Kumiai Chemical Industry Co., Ltd.
315
2
Nissan Chemical Industries, Ltd.
1643
2
Special Product's Line S.p.A.
7
2
Bristol-myers Squibb Company
4751
1
Boehringer Ingelheim International GmbH
4493
1
Syngenta Participations AG
1516
1
Syngenta Crop Protection AG
6710
1
Bayer AG
3499
1
Dow AgroSciences LLC
1185
1
The Johns Hopkins University
5887
1
Arbutus Biopharma Corporation
161
1
Other owners 11