- 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 9/535 - Organo-phosphoranes
Patent holdings for IPC class C07F 9/535
Total number of patents in this class: 98
10-year publication summary
6
|
2
|
4
|
14
|
9
|
6
|
5
|
6
|
9
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
9 |
Merck Patent GmbH | 5909 |
9 |
Bristol-myers Squibb Company | 5080 |
5 |
Saudi Aramco Technologies Company | 107 |
5 |
The Regents of the University of California | 18943 |
4 |
NOVA Chemicals (International) S.A. | 717 |
4 |
LG Chem, Ltd. | 17205 |
3 |
Centre National de La Recherche Scientifique | 9632 |
3 |
Takeda Pharmaceutical Company Limited | 2961 |
3 |
Lier Chemical Co., Ltd. | 33 |
2 |
Pierce Biotechnology, Inc. | 132 |
2 |
Porton Fine Chemicals Ltd. | 5 |
2 |
Rockwood Lithium GmbH | 42 |
2 |
San-Apro Limited | 73 |
2 |
Elkem Silicones France SAS | 141 |
2 |
Centre National de La Recherche Scientifique (cnrs) | 3191 |
2 |
Guangan Lier Chemical Co., Ltd. | 13 |
2 |
Novartis AG | 11238 |
1 |
Johnson & Johnson Vision Care, Inc. | 1255 |
1 |
Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
Other owners | 34 |