Compound, resin composition, prepreg, resin film, metal-clad laminate, printed wiring board, and semiconductor package
US-2026071011-A1 · Mar 12, 2026 · US
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containing two rings
containing two rings · 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 | C07C15/58 |
| Official title | containing two rings |
| Display label | containing two rings |
| Total patents | 19 |
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 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2021 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film
US-11905449-B2 · Feb 20, 2024 · US
Catalysts and methods for forming alkenyl substituted arenes
US-11833494-B2 · Dec 5, 2023 · US
Catalysts and methods for forming alkenyl and alkyl substituted arenes
US-11772083-B2 · Oct 3, 2023 · US
Photon upconversion composition, film, method for converting visible light into ultraviolet light, and compound
US-2023287262-A1 · Sep 14, 2023 · US
Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film
US-2021388269-A1 · Dec 16, 2021 · US
Catalysts and methods for forming alkenyl and alkyl substituted arenes
US-10967364-B2 · Apr 6, 2021 · US
Apparatus and process for the preparation of acetylene and synthesis gas
US-10059640-B2 · Aug 28, 2018 · US
Apparatus and process for the preparation of acetylene and synthesis gas
US-2018170829-A1 · Jun 21, 2018 · US
Slow release of organoboronic acids in cross-coupling reactions
US-9845317-B2 · Dec 19, 2017 · US
Catalytic ester decarbonylation
US-9718763-B2 · Aug 1, 2017 · US
Composition for film formation, resist underlayer film and forming method thereof, pattern-forming method and compound
US-9581905-B2 · Feb 28, 2017 · US
Slow release of organoboronic acids in cross-coupling reactions
US-9328102-B2 · May 3, 2016 · US
Composition for film formation, resist underlayer film and forming method thereof, pattern-forming method and compound
US-2016085152-A1 · Mar 24, 2016 · US
Method for producing a pi-electron conjugated compound
US-9224959-B2 · Dec 29, 2015 · US
Compounds capable of releasing fragrant compounds
US-9193935-B2 · Nov 24, 2015 · US
Organic electronic device containing an organic semiconductor material film which contains a leaving substituent-containing compound
US-9123896-B2 · Sep 1, 2015 · US
Slow release of organoboronic acids in cross-coupling reactions
US-9006463-B2 · Apr 14, 2015 · US
Binaphthalene derivatives, preparation method thereof and organic electronic device using the same
US-8951831-B2 · Feb 10, 2015 · US