- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 24/36 - Bituminous materials, e.g. tar, pitch
Patent holdings for IPC class C04B 24/36
Total number of patents in this class: 68
10-year publication summary
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3
|
6
|
7
|
4
|
7
|
3
|
1
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| A.L.M. Holding Company | 86 |
4 |
| Ergon Asphalt & Emulsions, Inc. | 117 |
4 |
| Halliburton Energy Services, Inc. | 20749 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
3 |
| Henry Company, LLC | 234 |
3 |
| Schlumberger Technology Corporation | 10627 |
2 |
| Hansoo Natech Co., Ltd | 3 |
2 |
| Schlumberger Canada Limited | 7235 |
1 |
| Schlumberger Technology B.v. | 5148 |
1 |
| Schlumberger Holdings Limited | 2841 |
1 |
| Shell Oil Company | 2141 |
1 |
| Georgia-Pacific Chemicals LLC | 136 |
1 |
| Blacklidge Emulsions, Inc. | 11 |
1 |
| Carmeuse Lime, Inc. | 35 |
1 |
| Comadur S.A. | 88 |
1 |
| Construction Research & Technology GmbH | 648 |
1 |
| Garmor, Inc. | 14 |
1 |
| Heritage Research Group | 21 |
1 |
| Holcim Technology Ltd. | 974 |
1 |
| Kraton Polymers U.S. LLC | 199 |
1 |
| Other owners | 34 |