- All sections
- B - Performing operations; transporting
- B09B - Disposal of solid waste
- B09B 3/70 - Chemical treatment, e.g. pH adjustment or oxidation
Patent holdings for IPC class B09B 3/70
Total number of patents in this class: 178
10-year publication summary
1
|
0
|
2
|
1
|
4
|
6
|
2
|
40
|
85
|
27
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JX Nippon Mining & Metals Corporation | 1576 |
4 |
The Procter & Gamble Company | 22178 |
3 |
Kyushu University, National University Corporation | 1572 |
3 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
3 |
Yamaguchi University | 299 |
3 |
Unicharm Corporation | 2744 |
3 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Lexmark International, Inc. | 1793 |
2 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
Asaka Riken Co., Ltd. | 35 |
2 |
Cap III B.V. | 53 |
2 |
Eastman Chemical Company | 2239 |
2 |
Envit, Environmental Technologies and Engineering Ltd. | 9 |
2 |
Guangdong Brunp Recycling Technology Co., Ltd | 674 |
2 |
Hunan Brunp Recycling Technology Co., Ltd. | 622 |
2 |
Kurita Water Industries Ltd. | 1110 |
2 |
Kyoeisha Chemical Co., Ltd. | 77 |
2 |
Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 122 |
2 |
Nan Ya Plastics Corporation | 308 |
2 |
Taiheiyo Cement Corporation | 237 |
2 |
Other owners | 131 |