- 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 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Patent holdings for IPC class C04B 28/14
Total number of patents in this class: 1512
10-year publication summary
|
118
|
116
|
147
|
95
|
123
|
137
|
106
|
136
|
126
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 1019 |
229 |
| Knauf Gips KG | 534 |
81 |
| Sika Technology AG | 2650 |
71 |
| Saint-Gobain Placo SAS | 139 |
54 |
| Georgia-Pacific Gypsum LLC | 204 |
52 |
| Saint-Gobain Placo | 176 |
48 |
| Yoshino Gypsum Co., Ltd. | 224 |
48 |
| BASF SE | 19740 |
44 |
| Gold Bond Building Products, LLC | 162 |
33 |
| Construction Research & Technology GmbH | 640 |
29 |
| Halliburton Energy Services, Inc. | 20165 |
27 |
| CertainTeed Gypsum, Inc. | 180 |
25 |
| Dow Global Technologies LLC | 10147 |
21 |
| Beijing New Building Materials Public Limited Company | 79 |
21 |
| BPB Limited | 49 |
19 |
| Saint-Gobain Weber | 175 |
16 |
| Holcim Technology Ltd. | 868 |
13 |
| China National Building Materials Technological Innovation & Research Institute Limited Company | 45 |
13 |
| Wacker Chemie AG | 2091 |
12 |
| Hilti Aktiengesellschaft | 3227 |
11 |
| Other owners | 645 |