Resist underlayer film-forming composition
US-2025004367-A1 · Jan 2, 2025 · US
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containing nitro or nitroso groups bound to the carbon skeleton
containing nitro or nitroso groups bound to the carbon skeleton · 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 | C07C309/40 |
| Official title | containing nitro or nitroso groups bound to the carbon skeleton |
| Display label | containing nitro or nitroso groups bound to the carbon skeleton |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Colored composition
US-10450462-B2 · Oct 22, 2019 · US
Titanium ligand-modified black phosphorus and preparation method and use thereof
US-10336615-B2 · Jul 2, 2019 · US
Thermal acid generators and photoresist pattern trimming compositions and methods
US-10007179-B2 · Jun 26, 2018 · US
Photoresist pattern trimming compositions and methods
US-9696629-B2 · Jul 4, 2017 · US
Titanium ligand-modified black phosphorus and preparation method and use thereof
US-2017174516-A1 · Jun 22, 2017 · US
Thermal acid generators and photoresist pattern trimming compositions and methods
US-2017123314-A1 · May 4, 2017 · US
Stilbazolium derivative and nonlinear optical material using the same
US-9487484-B2 · Nov 8, 2016 · US
Photoresist pattern trimming compositions and methods
US-2016187783-A1 · Jun 30, 2016 · US
Colored composition
US-2016040013-A1 · Feb 11, 2016 · US
Stilbazolium derivative and nonlinear optical material using the same
US-2016016905-A1 · Jan 21, 2016 · US