- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 111/72 - Compositions used for repairing existing buildings or building materials
Patent holdings for IPC class C04B 111/72
Total number of patents in this class: 135
10-year publication summary
|
10
|
13
|
12
|
13
|
17
|
14
|
10
|
15
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 910 |
12 |
| Sika Technology AG | 2846 |
11 |
| BASF SE | 20803 |
8 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 821 |
4 |
| Holcim Technology Ltd. | 975 |
4 |
| Wacker Chemie AG | 2104 |
4 |
| Construction Research & Technology GmbH | 645 |
3 |
| Denka Company Limited | 2536 |
3 |
| Worcester Polytechnic Institute | 512 |
3 |
| Logical Resource Inc. | 4 |
3 |
| 3m Innovative Properties Company | 17855 |
2 |
| The United States of America as represented by the Secretary of the Army | 1205 |
2 |
| AES Co., Ltd. | 4 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2587 |
2 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 630 |
2 |
| Knauf Gips KG | 584 |
2 |
| Korea Institute of Civil Engineering and Building Technology | 134 |
2 |
| Nano and Advanced Materials Institute Limited | 177 |
2 |
| Soletanche Freyssinet | 477 |
2 |
| C-probe Systems Limited | 4 |
2 |
| Other owners | 60 |