- 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 22/16 - Acids or salts thereof containing phosphorus in the anion, e.g. phosphates
Patent holdings for IPC class C04B 22/16
Total number of patents in this class: 183
10-year publication summary
|
14
|
10
|
18
|
13
|
20
|
13
|
10
|
19
|
20
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
23 |
| United States Gypsum Company | 1019 |
16 |
| Mitek Holdings, Inc. | 250 |
8 |
| Gold Bond Building Products, LLC | 162 |
5 |
| Georgia-Pacific Gypsum LLC | 204 |
4 |
| Jet Products, LLC | 4 |
4 |
| Yoshino Gypsum Co., Ltd. | 224 |
4 |
| CURTIS, Philip, Anthony | 497 |
4 |
| Kao Corporation | 4843 |
3 |
| Hilti Aktiengesellschaft | 3227 |
3 |
| BK Giulini GmbH | 132 |
3 |
| Knauf Gips KG | 534 |
3 |
| Saint-Gobain Placo | 176 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Mgo Systems Ltd. | 11 |
3 |
| Schlumberger Canada Limited | 6913 |
2 |
| The Catholic University of America | 96 |
2 |
| The Foundation for the Promotion of Industrial Science | 43 |
2 |
| National University Corporation Yokohama National University | 328 |
2 |
| Sika Technology AG | 2650 |
2 |
| Other owners | 84 |