Methods for obtaining aggregates and/or powder-type mineral material utilizing process auxiliaries
US-12479763-B2 · Nov 25, 2025 · US
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Heterocyclic nitrogen compounds
Heterocyclic nitrogen compounds · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B24/128 |
| Official title | {Heterocyclic nitrogen compounds} |
| Display label | Heterocyclic nitrogen compounds |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gypsum Panel Containing a Polyoxazoline
US-2024254050-A1 · Aug 1, 2024 · US
Neutron beam shielding gypsum-based building board and method of manufacturing neutron beam shielding gypsum-based building board
US-2023271885-A1 · Aug 31, 2023 · US
Emulsifying composition for spreading bitumen
US-11731905-B2 · Aug 22, 2023 · US
Methods for obtaining aggregates and/or powder-type mineral material utilizing process auxiliaries
US-2023075895-A1 · Mar 9, 2023 · US
Ionic liquid for stabilizing viscosity of silicate-based coatings
US-2023042328-A1 · Feb 9, 2023 · US
Concrete repair coating
US-11560334-B2 · Jan 24, 2023 · US
Cement with resilient latex polymer
US-11485895-B2 · Nov 1, 2022 · US
Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof
US-11472999-B1 · Oct 18, 2022 · US
Composition for producing an aqueous coating mass
US-11091394-B2 · Aug 17, 2021 · US
Fatty alcohol aqueous suspension-based anti-filming surface admixture
US-11072561-B2 · Jul 27, 2021 · US
Gypsum panel and method for producing gypsum panel
US-10968624-B2 · Apr 6, 2021 · US
Composition for producing aqueous coating material
US-2021087111-A1 · Mar 25, 2021 · US
Concrete repair coating
US-2020123058-A1 · Apr 23, 2020 · US
Emulsifying composition for spreading bitumen
US-2020039880-A1 · Feb 6, 2020 · US
Process and additive to improve adhesion of building compositions to substrates
US-10519064-B2 · Dec 31, 2019 · US
Gypsum panel and method for producing gypsum panel
US-2018355605-A1 · Dec 13, 2018 · US
Fatty alcohol aqueous suspension-based anti-filming surface admixture
US-2018141865-A1 · May 24, 2018 · US
Binder and the use thereof for conditioning waste containing aluminium metal
US-9711248-B2 · Jul 18, 2017 · US