- All sections
- C - Chemistrymetallurgy
- C05D - Inorganic fertilisers not covered by subclasses , fertilisers producing carbon dioxide
- C05D 3/02 - Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium compounds
Patent holdings for IPC class C05D 3/02
Total number of patents in this class: 131
10-year publication summary
|
17
|
15
|
14
|
12
|
6
|
8
|
9
|
8
|
17
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omya International AG | 767 |
9 |
| Harsco Corporation | 54 |
8 |
| SABIC Global Technologies B.V. | 4265 |
4 |
| Bi-En Corp. | 8 |
3 |
| Donaghys Limited | 26 |
3 |
| York Potash Limited | 18 |
3 |
| E. I. du Pont de Nemours and Company | 4137 |
2 |
| Agrosolution GmbH & Co. KG | 2 |
2 |
| Cisbay Inc. | 8 |
2 |
| Elemental Digest Limited | 5 |
2 |
| Fluorchemie GmbH Frankfurt | 12 |
2 |
| Grain Processing Corporation | 88 |
2 |
| Holcim Technology Ltd. | 956 |
2 |
| S.A. Reverte Productos Minerales | 28 |
2 |
| Schwing Bioset, Inc. | 23 |
2 |
| Specialty Granules Investments LLC | 41 |
2 |
| Zentrum fur Sonnenenergie- und Wasserstoff-forschung Baden-Wurttemberg Gemeinnutzige Stiftung | 47 |
2 |
| Vale Fertilizantes SA | 5 |
2 |
| Sul4r-plus, LLC | 7 |
2 |
| Sustainable Technology Corporation | 25 |
2 |
| Other owners | 73 |