Patent holdings for IPC class C07C 251/40

Total number of patents in this class: 51

10-year publication summary

7
8
5
4
5
7
1
4
2
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
BASF SE
19740
4
Sumitomo Chemical Company, Limited
8808
4
Takasago International Corporation
406
3
Nissan Chemical Corporation
1725
3
S H Kelkar & Company Limited
10
3
Novartis AG
11238
2
FUJIFILM Corporation
27102
2
Council of Scientific & Industrial Research
1397
2
Firmenich SA
1612
2
Kumiai Chemical Industry Co., Ltd.
307
2
Nissan Chemical Industries, Ltd.
1822
2
PI Industries Ltd
147
2
Bristol-myers Squibb Company
5080
1
Boehringer Ingelheim International GmbH
4629
1
Syngenta Participations AG
4970
1
Bayer AG
3045
1
BASF AG
1258
1
Dow AgroSciences LLC
1267
1
The Johns Hopkins University
5377
1
Arbutus Biopharma Corporation
183
1
Other owners 12