- 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: 64
10-year publication summary
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2
|
1
|
5
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4
|
5
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3
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3
|
4
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6
|
3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 773 |
7 |
| ExxonMobil Research And Engineering Company | 2525 |
6 |
| OCI Company Ltd. | 159 |
5 |
| Building Materials Investment Corporation | 142 |
4 |
| Korea Research Institute of Chemical Technology | 1419 |
4 |
| ExxonMobil Technology and Engineering Company | 1185 |
4 |
| Owens Corning Intellectual Capital, LLC | 1626 |
3 |
| Saudi Arabian Oil Company | 13716 |
3 |
| Yara International ASA | 863 |
3 |
| Flex Products LLC | 2 |
2 |
| Epsilon Advanced Materials Pvt Ltd | 11 |
2 |
| ACP Technologies, LLC | 9 |
2 |
| LG Chem, Ltd. | 17704 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3538 |
1 |
| Shell Oil Company | 2134 |
1 |
| Asphalt Technology LLC | 1 |
1 |
| Enerkem Inc. | 87 |
1 |
| Expander Energy Inc. | 56 |
1 |
| Kyushu University, National University Corporation | 1670 |
1 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 135 |
1 |
| Other owners | 11 |