Bisphenol composition and polycarbonate resin
US-2021403641-A1 · Dec 30, 2021 · US
with at least one hydroxy group on a condensed ring system containing two rings
with at least one hydroxy group on a condensed ring system 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 | C07C39/14 |
| Official title | with at least one hydroxy group on a condensed ring system containing two rings |
| Display label | with at least one hydroxy group on a condensed ring system containing two rings |
| Total patents | 74 |
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 | 4 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 17 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method
US-11143962-B2 · Oct 12, 2021 · US
Composition for forming optical component, optical component, compound, and resin
US-2021309595-A1 · Oct 7, 2021 · US
Compound, resin, composition, resist pattern formation method, and circuit pattern formation method
US-11130724-B2 · Sep 28, 2021 · US
Novel compounds which activate estrogen receptors and compositions and methods of using the same
US-2020331828-A1 · Oct 22, 2020 · US
Compounds which activate estrogen receptors and compositions and methods of using the same
US-10703698-B2 · Jul 7, 2020 · US
Hardmask composition, method of forming pattern by using the hardmask composition, and hardmask formed using the hardmask composition
US-10685844-B2 · Jun 16, 2020 · US
Method for purifying compound or resin and method for producing composition
US-2020002307-A1 · Jan 2, 2020 · US
Amination and hydroxylation of arylmetal compounds
US-10494328-B2 · Dec 3, 2019 · US
Naphthol-type calixarene compound and method for producing the same, photosensitive composition, resist material, and coating
US-10466590-B2 · Nov 5, 2019 · US
Compound for forming organic film, composition for forming organic film, method for forming organic film, and patterning process
US-10444628-B2 · Oct 15, 2019 · US
Resist underlayer film composition, patterning process, and method for forming resist underlayer film
US-10416563-B2 · Sep 17, 2019 · US
Naphthalene-containing polymers and methods of making the same
US-10364322-B2 · Jul 30, 2019 · US
Leather or leather article and method for producing same, hexavalent chromium treatment agent, method for treating hexavalent chromium in crude leather or crude leather article
US-10358686-B2 · Jul 23, 2019 · US
Introduction of alkyl substituents to aromatic compounds
US-10351492-B2 · Jul 16, 2019 · US
Method for purifying dihydroxynaphthalene
US-2019194102-A1 · Jun 27, 2019 · US
Method for producing dihydroxynaphthalene condensate and dihydroxynaphthalene condensate
US-2019194391-A1 · Jun 27, 2019 · US
Epoxy compound, method for producing the same, epoxy resin composition, and cured product thereof
US-10329231-B2 · Jun 25, 2019 · US
Monomer, organic layer composition, organic layer, and method of forming patterns
US-10332751-B2 · Jun 25, 2019 · US
Phenolic hydroxyl-containing compound, composition containing the same, and cured film of the composition
US-10266471-B2 · Apr 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C39/14?
- CPC C07C39/14 is the Cooperative Patent Classification code for “with at least one hydroxy group on a condensed ring system containing two rings.”
- How many patents are filed under CPC C07C39/14 (with at least one hydroxy group on a condensed ring system containing two rings)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC C07C39/14 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).