Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis
US-2025333374-A1 · Oct 30, 2025 · US
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Influencing the physical properties by treatment with an amine
Influencing the physical properties by treatment with an amine · 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 | C09B67/002 |
| Official title | {Influencing the physical properties by treatment with an amine} |
| Display label | Influencing the physical properties by treatment with an amine |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis
US-12421186-B2 · Sep 23, 2025 · US
Modified pigments and use thereof
US-12286538-B2 · Apr 29, 2025 · US
Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis
US-2024190812-A1 · Jun 13, 2024 · US
Photosensitive composition, negative photosensitive composition, pixel division layer and organic EL display device
US-11940729-B2 · Mar 26, 2024 · US
Manipulating hydrophilicity and hydrophobicity of conventional dye molecules for tracer applications
US-2023183565-A1 · Jun 15, 2023 · US
Photosensitive composition, negative photosensitive composition, pixel division layer and organic el display device
US-2023127537-A1 · Apr 27, 2023 · US
Stabilized compositions comprising leuco compounds
US-11261403-B2 · Mar 1, 2022 · US
Modified pigments and use thereof
US-2021163751-A1 · Jun 3, 2021 · US
Stabilized compositions comprising leuco compounds
US-2020032167-A1 · Jan 30, 2020 · US
Preparation of Pigment Red 149
US-10287435-B2 · May 14, 2019 · US
Modified pigments and use thereof
US-2019031880-A1 · Jan 31, 2019 · US
Stabilization of C.I. pigment yellow 139
US-9982137-B2 · May 29, 2018 · US
Pigment composition
US-9938419-B2 · Apr 10, 2018 · US
Pigment composition
US-2017253753-A1 · Sep 7, 2017 · US
Stabilization of c.i. pigment yellow 139
US-2017247545-A1 · Aug 31, 2017 · US