Onium salt, chemically amplified negative resist composition, and pattern forming process
US-11773059-B2 · Oct 3, 2023 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07C33/46 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 49 |
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 | 9 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 11 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst containing activated carbon adsorbed with ruthenium complex, and method for producing reduction product using same
US-2023285945-A1 · Sep 14, 2023 · US
Process for preparing 2,6-dialkylphenylacetic acids
US-11691938-B2 · Jul 4, 2023 · US
Pesticidal compounds and methods of use
US-11570987-B2 · Feb 7, 2023 · US
Decarboxylative cross-coupling and applications thereof
US-11512071-B2 · Nov 29, 2022 · US
Composition for preventing or treating bacterial infectious disease comprising 4-gingerol derivative compound as active ingredient
US-2022289657-A1 · Sep 15, 2022 · US
Onium salt, chemically amplified negative resist composition, and pattern forming process
US-2022113626-A1 · Apr 14, 2022 · US
Antihypertensive polyol compound and derivative thereof
US-2022098134-A1 · Mar 31, 2022 · US
Imines with tunable nucleophilicity and steric properties through metal coordination: applications as ligands and metalloorganocatalysts
US-11260380-B2 · Mar 1, 2022 · US
Process for preparing 2,6-dialkylphenylacetic acids
US-2021403406-A1 · Dec 30, 2021 · US
Pesticidal compounds and methods of use
US-2021092950-A1 · Apr 1, 2021 · US
Imines with tunable nucleophilicity and steric properties through metal coordination: applications as ligands and metalloorganocatalysts
US-10926249-B2 · Feb 23, 2021 · US
Radioactive carbon-14-labeled 2,2′-(((4-((4-14C chlorobenzyl)oxy)-3-methoxyphenyl)methylene)bis(2-hydroxyethyl)dithioacetal, preparation method and applications there of
US-10870620-B1 · Dec 22, 2020 · US
Method for synthesizing iodo- or astatoarenes using diaryliodonium salts
US-10858306-B2 · Dec 8, 2020 · US
Method for synthesizing iodo- or astatoarenes using diaryliodonium salts
US-2020239404-A1 · Jul 30, 2020 · US
Method for synthesizing iodo- or astatoarenes using diaryliodonium salts
US-10703708-B2 · Jul 7, 2020 · US
Process for preparing substituted 2-arylethanols
US-10519085-B2 · Dec 31, 2019 · US
Luminescent nanocrystal complex
US-2019382655-A1 · Dec 19, 2019 · US
Process for preparing aryl ketone
US-10457621-B2 · Oct 29, 2019 · US
Preparation process of perfluoroalkyl compound with monohydroperfluoroalkane as starting material
US-10450253-B2 · Oct 22, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C33/46?
- CPC C07C33/46 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C33/46 (Chemistry & Metallurgy)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C07C33/46 growing?
- Publication counts under this code: 5 in 2022 vs 4 in 2023 (latest complete years).