- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/49 - Compounds having one or more carbon-to-metal or carbon-to-silicon linkages
Patent holdings for IPC class C04B 41/49
Total number of patents in this class: 199
10-year publication summary
|
13
|
14
|
20
|
16
|
9
|
9
|
6
|
7
|
6
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2111 |
10 |
| Dow Corning Corporation | 873 |
8 |
| Dow Silicones Corporation | 2129 |
8 |
| Evonik Degussa GmbH | 1349 |
6 |
| Evonik Operations GmbH | 4395 |
6 |
| The Procter & Gamble Company | 21859 |
4 |
| Corning Incorporated | 10518 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6127 |
4 |
| AMCOL International Corporation | 249 |
4 |
| United States Gypsum Company | 943 |
4 |
| Johns Manville | 918 |
3 |
| Knauf Gips KG | 643 |
3 |
| Universidad de Cadiz | 117 |
3 |
| Cosentino Research & Development, S.L. | 51 |
3 |
| Kingspan Insulation Limited | 10 |
3 |
| E. I. du Pont de Nemours and Company | 3473 |
2 |
| Denka Company Limited | 2754 |
2 |
| EPG (engineered Nanoproducts Germany) AG | 38 |
2 |
| Ionys AG | 5 |
2 |
| Köster Bauchemie AG | 13 |
2 |
| Other owners | 116 |