- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 1/22 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds characterised by the use of binding agentsMixtures of binding agents of organic agents of resins or rosins
Patent holdings for IPC class B22C 1/22
Total number of patents in this class: 316
10-year publication summary
|
24
|
30
|
27
|
23
|
19
|
19
|
15
|
21
|
13
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5020 |
40 |
| Hüttenes-Albertus Chemische Werke GmbH | 145 |
38 |
| ASK Chemicals GmbH | 155 |
30 |
| ASK Chemicals LLC | 101 |
23 |
| Asahi Yukizai Corporation | 139 |
17 |
| Asahi Organic Chemicals Industry Co., Ltd. | 75 |
9 |
| Ask Chemicals L.P. | 33 |
7 |
| Foseco International Limited | 213 |
6 |
| Gun Ei Chemical Industry Co., Ltd. | 43 |
6 |
| General Electric Company | 13799 |
4 |
| 3m Innovative Properties Company | 17608 |
4 |
| Huttenes Albertus France | 5 |
4 |
| Novis Works, LLC | 12 |
4 |
| Suzano S.A. | 207 |
4 |
| Hitachi Chemical Company, Ltd. | 2307 |
3 |
| AMCOL International Corporation | 264 |
3 |
| HA International, LLC | 40 |
3 |
| Jinan Shengquan Group Share-Holding Co., Ltd. | 79 |
3 |
| Nemak, S.A.B. de C.V. | 103 |
3 |
| University of Northern Iowa Research Foundation | 21 |
3 |
| Other owners | 102 |