- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 1/22 - Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures 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: 319
10-year publication summary
|
35
|
17
|
26
|
33
|
27
|
27
|
21
|
21
|
15
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 4843 |
37 |
| Hüttenes-Albertus Chemische Werke GmbH | 150 |
32 |
| ASK Chemicals GmbH | 122 |
31 |
| ASK Chemicals LLC | 110 |
21 |
| Asahi Organic Chemicals Industry Co., Ltd. | 97 |
12 |
| Asahi Yukizai Corporation | 121 |
12 |
| Ask Chemicals L.P. | 33 |
7 |
| Georgia-Pacific Chemicals LLC | 204 |
6 |
| Gun Ei Chemical Industry Co., Ltd. | 41 |
6 |
| General Electric Company | 18133 |
4 |
| 3m Innovative Properties Company | 18406 |
4 |
| Ashland Licensing and Intellectual Property LLC | 147 |
4 |
| Foseco International Limited | 204 |
4 |
| Huttenes Albertus France | 5 |
4 |
| Novis Works, LLC | 12 |
4 |
| Owens Corning Intellectual Capital, LLC | 1456 |
4 |
| Sekisui Plastics Co., Ltd. | 345 |
4 |
| Suzano S.A. | 181 |
4 |
| Hitachi Chemical Company, Ltd. | 2455 |
3 |
| AMCOL International Corporation | 281 |
3 |
| Other owners | 113 |