Negative resist composition and pattern forming process
US-11994799-B2 · May 28, 2024 · US
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containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
containing nitrogen atoms, not being part of 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 | C07C309/13 |
| Official title | containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton |
| Display label | containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Negative resist composition and pattern forming process
US-2023116747-A1 · Apr 13, 2023 · US
Nanoparticle, contrast agent for magnetic resonance imaging comprising same and zwitterionic ligand compound
US-2022184236-A1 · Jun 16, 2022 · US
Onium salt, chemically amplified resist composition, and patterning process
US-11333974-B2 · May 17, 2022 · US
Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant
US-11198670-B2 · Dec 14, 2021 · US
Bioadhesives
US-11155568-B2 · Oct 26, 2021 · US
Novel onium salt, chemically amplified resist composition, and patterning process
US-2020133122-A1 · Apr 30, 2020 · US
Resist composition and patterning process
US-10620533-B2 · Apr 14, 2020 · US
Methods of making and using lignin derivatives
US-2020095270-A1 · Mar 26, 2020 · US
Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant
US-2020024222-A1 · Jan 23, 2020 · US
Methods of making and using lignin derivatives
US-10533031-B2 · Jan 14, 2020 · US
Pattern forming method, actinic ray-sensitive or radiation-sensitive resin composition and resist film
US-10248019-B2 · Apr 2, 2019 · US
Hydrophilic oil repellent and production method of same, surface coating material, coating film, resin composition, oil-water separation filter material, and porous body
US-10208210-B2 · Feb 19, 2019 · US
Methods of making and using lignin derivatives
US-2018037598-A1 · Feb 8, 2018 · US
Hydrophilic oil repellent and production method of same, surface coating material, coating film, resin composition, oil-water separation filter material, and porous body
US-2017210912-A1 · Jul 27, 2017 · US
Resist composition and patterning process
US-2017108775-A1 · Apr 20, 2017 · US
Radiation-sensitive resin composition, resist pattern-forming method, acid generator and compound
US-2017038679-A1 · Feb 9, 2017 · US
Radiation-sensitive resin composition, resist pattern-forming method, acid generator and compound
US-9523911-B2 · Dec 20, 2016 · US
Actinic ray-sensitive or radiation-sensitive resin composition and pattern forming method using same
US-9046766-B2 · Jun 2, 2015 · US
Chemical mechanical polishing composition having chemical additives and methods for using same
US-8999193-B2 · Apr 7, 2015 · US