- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/48 - Macromolecular compounds
Patent holdings for IPC class C04B 41/48
Total number of patents in this class: 429
10-year publication summary
|
30
|
30
|
45
|
41
|
45
|
28
|
41
|
27
|
46
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2728 |
18 |
| BASF SE | 21308 |
12 |
| Corning Incorporated | 10510 |
10 |
| Sika Technology AG | 3006 |
10 |
| United States Gypsum Company | 932 |
8 |
| James Hardie Technology Limited | 459 |
7 |
| Saudi Arabian Oil Company | 14248 |
7 |
| GCP Applied Technologies Inc. | 473 |
6 |
| E. I. du Pont de Nemours and Company | 3526 |
5 |
| Georgia-Pacific Gypsum LLC | 224 |
5 |
| Axalta Coating Systems IP Co., LLC | 474 |
5 |
| Behr Process Corporation | 180 |
5 |
| Lubrizol Advanced Materials, Inc. | 955 |
5 |
| 3m Innovative Properties Company | 17481 |
4 |
| Baustoffwerke Gebhart & Soehne GmbH & Co. KG | 23 |
4 |
| Questech Corporation | 19 |
4 |
| Imam Abdulrahman Bin Faisal University | 613 |
4 |
| Eternit GmbH | 10 |
4 |
| Rtx Corporation | 10128 |
4 |
| Arkema Inc. | 1061 |
3 |
| Other owners | 299 |