- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/312 - Preparation
Patent holdings for IPC class C01B 32/312
Total number of patents in this class: 160
10-year publication summary
|
8
|
6
|
17
|
11
|
22
|
22
|
22
|
25
|
17
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 235 |
59 |
| Nippon Paper Industries Co., Ltd. | 857 |
6 |
| Stora Enso Oyj | 1660 |
5 |
| Kuraray Co., Ltd. | 3620 |
4 |
| Carbonix Inc. | 10 |
4 |
| Osaka Gas Chemicals Co., Ltd. | 156 |
3 |
| AdvEn Industries, Inc. | 15 |
3 |
| LG Energy Solution, Ltd. | 19856 |
3 |
| Atlas Power Technologies Inc. | 42 |
3 |
| Carbonip Technologies Inc. | 8 |
3 |
| Cabot Corporation | 548 |
2 |
| Dexerials Corporation | 2019 |
2 |
| Polyvalor, Limited Partnership | 161 |
2 |
| Torrgas Technology B.V. | 15 |
2 |
| Teebs R&D, LLC | 5 |
2 |
| Controlamatics Corporation | 8 |
2 |
| Cancrie Inc. | 3 |
2 |
| Schlumberger Technology Corporation | 12005 |
1 |
| BASF SE | 21334 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6173 |
1 |
| Other owners | 50 |