- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 38/02 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by adding chemical blowing agents
Patent holdings for IPC class C04B 38/02
Total number of patents in this class: 320
10-year publication summary
|
22
|
36
|
42
|
32
|
19
|
23
|
17
|
23
|
18
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13953 |
43 |
| Sika Technology AG | 2953 |
11 |
| Beijing New Building Materials Public Limited Company | 105 |
6 |
| BASF SE | 21129 |
5 |
| Solidia Technologies, Inc. | 80 |
5 |
| United States Gypsum Company | 904 |
5 |
| Corning Incorporated | 10426 |
4 |
| Aramco Services Company | 4162 |
4 |
| Construction Research & Technology GmbH | 616 |
4 |
| The Research Foundation for The State University of New York | 1714 |
4 |
| Shandong University | 1122 |
4 |
| Imertech SAS | 238 |
4 |
| Amrize Technology Switzerland LLC | 715 |
4 |
| ADT Aero Dämm Technik GmbH | 6 |
3 |
| Alsitek Limited | 6 |
3 |
| Asahi Kasei Construction Materials Corporation | 62 |
3 |
| Holcim Technology Ltd. | 479 |
3 |
| Komatsu Seiren Co., Ltd. | 32 |
3 |
| de Cavis AG | 3 |
3 |
| Carbicrete Inc. | 71 |
3 |
| Other owners | 196 |