Patent holdings for IPC class C07C 255/22

Total number of patents in this class: 16

10-year publication summary

0
1
2
0
1
1
0
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
F. Hoffmann-La Roche AG
7958
2
Genentech, Inc.
3742
2
Merck Patent GmbH
5909
1
c-a-i-r biosciences GmbH
4
1
Lupin Limited
448
1
Merck Frosst Canada Ltd.
93
1
Pfizer Ireland Pharmaceuticals
74
1
Syndromex Ltd.
8
1
Zhejiang Huahai Pharmaceutical Co., Ltd.
178
1
Neopanora Bio-technology (Zhuhai) Ltd.
2
1
Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd
30
1
Drug Process Licensing Ass., LLC
4
1
INVISTA North America, LLC
170
1
INV Nylon Chemicals Americas, LLC
182
1
Other owners 0