Patent holdings for IPC class C07C 255/04

Total number of patents in this class: 92

10-year publication summary

1
3
2
2
4
13
5
1
5
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
INVISTA Technologies S.a.r.l.
416
15
Rhodia Operations
1587
8
Ningde Amperex Technology Limited
2022
5
Zhejiang Nhu Company Limited
172
4
Zhejiang University
3122
4
INV Nylon Chemicals Americas, LLC
183
4
Ascend Performance Materials Operations LLC
272
3
Zhejiang Nhu Special Materials Co., Ltd
30
3
Nanjing Yanchang Reaction Technology Research Institute Co. Ltd
120
3
Contemporary Amperex Technology (Hong Kong) Limited
3443
3
BASF SE
20892
2
Daikin Industries, Ltd.
9973
2
Arkema France
4051
2
INVISTA North America S.a.r.l.
176
2
Korea Kumho Petrochemical Co., Ltd.
190
2
Toagosei Co., Ltd.
973
2
INVISTA Textiles (U.K.) Limited
256
2
INVISTA North America, LLC
153
2
LG Chem, Ltd.
17594
1
Centre National de La Recherche Scientifique
10408
1
Other owners 22