Resist topcoat composition, and method of forming patterns using the composition
US-12590221-B2 · Mar 31, 2026 · US
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by substitution of halogen
by substitution of halogen · 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 | C07C37/02 |
| Official title | by substitution of halogen |
| Display label | by substitution of halogen |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal organic interactions at hydrothermal conditions
US-12187670-B2 · Jan 7, 2025 · US
Resist topcoat composition, and method of forming patterns using the composition
US-2023021469-A1 · Jan 26, 2023 · US
2-methoxy-4-(3-(4-methoxyphenyl)prop-1-en-1-yl)phenol and preparation method therefor
US-10125073-B2 · Nov 13, 2018 · US
Selective hydrolysis and alcoholysis of chlorinated benzenes
US-10093607-B2 · Oct 9, 2018 · US
Process for producing 2,5-dihalophenolethers
US-9957212-B2 · May 1, 2018 · US
2-methoxy-4-(3-(4-methoxyphenyl)prop-1-en-1-yl)phenol and preparation method therefor
US-2018044275-A1 · Feb 15, 2018 · US
Process for hydrolyzing 1,2,4-trihalobenzene
US-9643909-B2 · May 9, 2017 · US
Process for producing 2,5-dihalophenolethers
US-2017008824-A1 · Jan 12, 2017 · US
Selective hydrolysis and alcoholysis of chlorinated benzenes
US-2016289157-A1 · Oct 6, 2016 · US
Process for Hydrolyzing 1,2,4-trihalobenzene
US-2016251294-A1 · Sep 1, 2016 · US
Method for the hydroxylation of halogenated aryl compounds
US-8927779-B2 · Jan 6, 2015 · US