- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 26/20 - Polyamides
Patent holdings for IPC class C04B 26/20
Total number of patents in this class: 27
10-year publication summary
|
3
|
5
|
1
|
4
|
2
|
2
|
2
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20519 |
2 |
| Canadian Energy Services LP | 74 |
2 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20213 |
2 |
| Korea Institute of Ceramic Engineering and Technology | 135 |
2 |
| Alliance Designer Products Inc. | 3 |
2 |
| Baker Hughes Incorporated | 5488 |
1 |
| Halliburton Energy Services, Inc. | 20489 |
1 |
| 3m Innovative Properties Company | 17998 |
1 |
| E. I. du Pont de Nemours and Company | 4246 |
1 |
| Kao Corporation | 4933 |
1 |
| Lawrence Livermore National Security, LLC | 1888 |
1 |
| Battelle Memorial Institute | 2424 |
1 |
| Apache Corporation | 51 |
1 |
| Caesarstone Ltd. | 81 |
1 |
| Ceca S.A. | 48 |
1 |
| DIC Corporation | 3692 |
1 |
| Ecolab USA Inc. | 5379 |
1 |
| Mainstream Engineering Corporation | 147 |
1 |
| Pervious Paving Contractors LLC | 12 |
1 |
| Previous Paving Contractors LLC | 1 |
1 |
| Other owners | 2 |