- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/96 - Methods for the preparation of sulfates in general
Patent holdings for IPC class C01B 17/96
Total number of patents in this class: 57
10-year publication summary
|
4
|
2
|
4
|
6
|
3
|
1
|
8
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 215 |
6 |
| Bill Archer LLC | 6 |
6 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2077 |
5 |
| Eastman Kodak Company | 3030 |
2 |
| Andritz Oy | 283 |
2 |
| MECS, Inc. | 78 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10702 |
1 |
| Barrick Gold Corporation | 73 |
1 |
| Apotex Inc. | 207 |
1 |
| Chemetics Inc. | 61 |
1 |
| The Doe Run Resources Corporation | 5 |
1 |
| Iogen Energy Corporation | 93 |
1 |
| JON Pty Limited | 5 |
1 |
| K-technologies, Inc. | 13 |
1 |
| KCC Corporation | 282 |
1 |
| National Tsing Hua University | 1140 |
1 |
| Outotec (Finland) Oy | 489 |
1 |
| Paul Scherrer Institut | 297 |
1 |
| ProChemTech International, Inc. | 9 |
1 |
| Sachtleben Chemie GmbH | 69 |
1 |
| Other owners | 20 |