- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 38/04 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by dissolving-out added substances
Patent holdings for IPC class C04B 38/04
Total number of patents in this class: 68
10-year publication summary
|
5
|
4
|
4
|
6
|
3
|
3
|
1
|
6
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20403 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10694 |
3 |
| Centre National de La Recherche Scientifique | 10091 |
2 |
| Hitachi Metals, Ltd. | 2025 |
2 |
| Eth Zurich | 1251 |
2 |
| Heraeus Quarzglas GmbH & Co. KG | 408 |
2 |
| Toyo Tanso Co., Ltd. | 225 |
2 |
| Universite Pierre et Marie Curie (Paris 6) | 544 |
2 |
| Ip2ipo Innovations Limited | 164 |
2 |
| Merck Patent GmbH | 5845 |
1 |
| Warsaw Orthopedic, Inc. | 3167 |
1 |
| Board of Regents, The University of Texas System | 5613 |
1 |
| President and Fellows of Harvard College | 5911 |
1 |
| The Board of Trustees of the University of Illinois | 2666 |
1 |
| Alma Mater Studiorum - Universita di Bologna | 394 |
1 |
| Central South University | 403 |
1 |
| Daehyup Tech Co., Ltd | 4 |
1 |
| Drexel University | 972 |
1 |
| Eidgenossische Materialprufungs- und Forschungsanstalt EMPA | 14 |
1 |
| Eidgenossische Technische Hochschule Zurich Ethz | 1 |
1 |
| Other owners | 37 |