- All sections
- C - Chemistry; metallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/54 - Quaternary phosphonium compounds
Patent holdings for IPC class C07F 9/54
Total number of patents in this class: 482
10-year publication summary
42
|
46
|
28
|
32
|
22
|
23
|
36
|
33
|
22
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Merck Patent GmbH | 5909 |
14 |
The Medical College of Wisconsin, Inc. | 359 |
13 |
Aix-Marseille Universite' | 35 |
9 |
Nisshinbo Holdings Inc. | 333 |
9 |
Smart Brain s.r.o. | 13 |
8 |
BASF SE | 19740 |
7 |
Samsung SDI Co., Ltd. | 6671 |
7 |
Bristol-myers Squibb Company | 5080 |
6 |
Biotechnologicky Ustav AV CR, V.v.i. | 15 |
6 |
Centro de Neurociencias e Biologia Celular | 30 |
6 |
Universidade do Porto | 238 |
6 |
Lunella Biotech, Inc. | 93 |
6 |
Springtide Ventures s.r.o. | 6 |
6 |
Mitsui Chemicals, Inc. | 3134 |
5 |
Eastman Chemical Company | 2239 |
5 |
Hokko Chemical Industry Co., Ltd. | 55 |
5 |
Nippon Chemical Industrial Co., Ltd. | 267 |
5 |
The Royal Institution for The Advancement of Learning / McGill University | 622 |
5 |
Centre National de La Recherche Scientifique | 9632 |
4 |
The General Hospital Corporation | 4517 |
4 |
Other owners | 346 |