- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/42 - Pyrophosphates
Patent holdings for IPC class C01B 25/42
Total number of patents in this class: 64
10-year publication summary
|
10
|
4
|
6
|
2
|
1
|
4
|
2
|
1
|
4
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemische Fabrik Budenheim KG | 214 |
5 |
| Adeka Corporation | 1362 |
4 |
| Nippon Electric Glass Co., Ltd. | 2456 |
3 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3546 |
3 |
| Toyota Motor Corporation | 32116 |
2 |
| Honeywell International Inc. | 13545 |
2 |
| Centre National de La Recherche Scientifique | 10418 |
2 |
| Fujitsu Limited | 18351 |
2 |
| Sumitomo Chemical Company, Limited | 9046 |
2 |
| Faradion Limited | 65 |
2 |
| Fujimi Incorporated | 742 |
2 |
| Institut National Polytechnique de Toulouse | 205 |
2 |
| TOMITA Pharmaceutical Co., Ltd. | 68 |
2 |
| Universite Paul Sabatier Toulouse III | 476 |
2 |
| University of Houston System | 1082 |
2 |
| Cngr Advanced Material Co., Ltd. | 22 |
2 |
| BASF SE | 20933 |
1 |
| Bayer Schering Pharma AG | 385 |
1 |
| TDK Corporation | 6738 |
1 |
| Massachusetts Institute of Technology | 10057 |
1 |
| Other owners | 21 |