Method and reagent for quantifying cholesterol in high density lipoprotein 3
US-12066447-B2 · Aug 20, 2024 · US
having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring · 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 | C07C43/20 |
| Official title | having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring |
| Display label | having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring |
| Total patents | 41 |
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 | 6 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
MACROCYCLIC AND CAGE-LIKE MOLECULE BASED ON BIPHEN[n]ARENE AND DERIVATIVE, SYNTHESIS METHOD AND USE THEREOF
US-2023192692-A1 · Jun 22, 2023 · US
Bisphenol a derivative, preparation method therefor and use thereof in photolithography
US-2022373885-A1 · Nov 24, 2022 · US
Alcohol compound, chemically amplified negative resist composition and resist pattern forming process
US-2022197140-A1 · Jun 23, 2022 · US
Method and reagent for quantifying cholesterol in high density lipoprotein 3
US-2021278424-A1 · Sep 9, 2021 · US
Organic compound, three-dimensional organic framework formed by using organic compound, separation sieve and optical layer, which comprise organic framework, and optical device comprising optical layer as optical amplification layer
US-11066351-B2 · Jul 20, 2021 · US
Materials for electronic devices
US-11063221-B2 · Jul 13, 2021 · US
Method and reagent for quantifying cholesterol in high density lipoprotein 3
US-11041869-B2 · Jun 22, 2021 · US
Onium salt compound, chemically amplified resist composition and patterning process
US-2021179554-A1 · Jun 17, 2021 · US
Method for producing 2-acetyl-4h,9h-naphtho[2,3-b]furan-4,9-dione
US-2021070724-A1 · Mar 11, 2021 · US
Method for producing 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione
US-10875835-B2 · Dec 29, 2020 · US
Method for producing 2-acetyl-4h,9h-naphtho[2,3-b]furan-4,9-dione
US-2020190049-A1 · Jun 18, 2020 · US
Method for producing 2-acetyl-4H,9H-naphtho[2,3-B]furan-4,9-dione
US-10611746-B2 · Apr 7, 2020 · US
Method for producing 2-acetyl-4h,9h-naphtho[2,3-b]furan-4,9-dione
US-2019263769-A1 · Aug 29, 2019 · US
Organic semiconductor composition, photovoltaic element, photoelectric conversion device, and method of manufacturing photovoltaic element
US-10388876-B2 · Aug 20, 2019 · US
Method for producing 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione
US-10329267-B2 · Jun 25, 2019 · US
Tritylated ethers
US-10259763-B2 · Apr 16, 2019 · US
Organic electroluminescence device and anthracene derivative
US-10217943-B2 · Feb 26, 2019 · US
Organic compound, three-dimensional organic framework formed by using organic compound, separation sieve and optical layer, which comprise organic framework, and optical device comprising optical layer as optical amplification layer
US-2019031586-A1 · Jan 31, 2019 · US
Compound, and light-emitting device and electronic device including same
US-10141534-B2 · Nov 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C43/20?
- CPC C07C43/20 is the Cooperative Patent Classification code for “having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring.”
- How many patents are filed under CPC C07C43/20 (having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C07C43/20 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).