- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/04 - Working-up pitch, asphalt, bitumen by chemical means by blowing or oxidising
Patent holdings for IPC class C10C 3/04
Total number of patents in this class: 66
10-year publication summary
|
2
|
1
|
7
|
5
|
6
|
4
|
4
|
4
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 690 |
7 |
| ExxonMobil Research And Engineering Company | 2653 |
6 |
| Building Materials Investment Corporation | 147 |
4 |
| Korea Research Institute of Chemical Technology | 1344 |
4 |
| OCI Company Ltd. | 136 |
4 |
| Owens Corning Intellectual Capital, LLC | 1565 |
3 |
| Saudi Arabian Oil Company | 12541 |
3 |
| Yara International ASA | 802 |
3 |
| Flex Products LLC | 3 |
3 |
| ExxonMobil Technology and Engineering Company | 934 |
3 |
| Betser-zilevitch, Maoz | 13 |
2 |
| Total France | 19 |
2 |
| Epsilon Advanced Materials Pvt Ltd | 9 |
2 |
| LG Chem, Ltd. | 17662 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3720 |
1 |
| Shell Oil Company | 2148 |
1 |
| Asphalt Technology LLC | 1 |
1 |
| Enerkem Inc. | 88 |
1 |
| Expander Energy Inc. | 54 |
1 |
| Imperial Oil Resources Limited | 181 |
1 |
| Other owners | 13 |