Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025362605-A1 · Nov 27, 2025 · US
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containing carboxyl groups bound to the carbon skeleton
containing carboxyl 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 | C07C309/77 |
| Official title | containing carboxyl groups bound to the carbon skeleton |
| Display label | containing carboxyl groups bound to the carbon skeleton |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process
US-2025314964-A1 · Oct 9, 2025 · US
Bioreactive compounds and methods of use thereof
US-2025283138-A1 · Sep 11, 2025 · US
Onium salt, chemically amplified positive resist composition, and resist pattern forming process
US-2025110400-A1 · Apr 3, 2025 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-12018097-B2 · Jun 25, 2024 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-2024051996-A1 · Feb 15, 2024 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-11479581-B2 · Oct 25, 2022 · US
Trisazo Compounds for Ink-jet Printing
US-2022235000-A1 · Jul 28, 2022 · US
Non-chromatographic purification of macrocyclic peptides by a resin catch and release
US-2021079046-A1 · Mar 18, 2021 · US
Preparation of phenyl compounds
US-10562837-B2 · Feb 18, 2020 · US
Radioactive fluorine-labeled precursor compound, and method for producing radioactive fluorine-labeled compound using same
US-2020009273-A1 · Jan 9, 2020 · US
Preparation of Phenyl Compounds
US-2019010111-A1 · Jan 10, 2019 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-9983475-B2 · May 29, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-9951164-B2 · Apr 24, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-2018044459-A1 · Feb 15, 2018 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-2018046077-A1 · Feb 15, 2018 · US
Cyclopentylacrylamide derivative
US-9452977-B2 · Sep 27, 2016 · US
Actinic-ray- or radiation-sensitive resin composition and method of forming pattern using the composition
US-9223208-B2 · Dec 29, 2015 · US
Phenolsulfonic acid aryl ester, developing agent, and heat-sensitive recording material
US-9073376-B2 · Jul 7, 2015 · US
Cyclopentylacrylamide derivative
US-2015105581-A1 · Apr 16, 2015 · US