Recovering and purifying resveratrol produced by microbial fermentation
US-11136283-B2 · Oct 5, 2021 · US
with at least one hydroxy group on a non-condensed ring
with at least one hydroxy group on a non-condensed 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 | C07C39/21 |
| Official title | with at least one hydroxy group on a non-condensed ring |
| Display label | with at least one hydroxy group on a non-condensed ring |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 15 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface formulations comprising phenols
US-2021040257-A1 · Feb 11, 2021 · US
Bisphenol compounds
US-2020375949-A1 · Dec 3, 2020 · US
Prenylated hydroxystilbenes
US-2020331833-A1 · Oct 22, 2020 · US
Resveratrol glycolate and tartrate derivatives and synthetic methods therefor
US-10717698-B2 · Jul 21, 2020 · US
Prenylated hydroxystilbenes
US-10696615-B2 · Jun 30, 2020 · US
Aromatic underlayer
US-2020142309-A1 · May 7, 2020 · US
Aromatic polycarbonate resin, method for producing same, and aromatic dihydroxy compound
US-2020115494-A1 · Apr 16, 2020 · US
Process and composition
US-2020039909-A1 · Feb 6, 2020 · US
Silylated derivatives of reservatrol and the use thereof in neurodegenerative, neurological or inflammatory diseases
US-2019284213-A1 · Sep 19, 2019 · US
Process for extraction and separation of oxyresveratrol from Artocarpus lakoocha Roxb
US-10376840-B2 · Aug 13, 2019 · US
Process for the manufacture of hydroxy-substituted aromatic compounds
US-2019218181-A1 · Jul 18, 2019 · US
Method of using of dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants as antimicrobial agents
US-10351500-B2 · Jul 16, 2019 · US
Prenylated hydroxystilbenes
US-2019194105-A1 · Jun 27, 2019 · US
NANO-TO-NANO FE/PPM Pd CATALYSIS OF CROSS-COUPLING REACTIONS IN WATER
US-2019099747-A1 · Apr 4, 2019 · US
Resveratrol glycolate and tartrate derivatives and synthetic methods therefor
US-2019071386-A1 · Mar 7, 2019 · US
Positive photosensitive resin composition, photo-curable dry film and method for producing the same, patterning process, and laminate
US-10197914-B2 · Feb 5, 2019 · US
Prenylated hydroxystilbenes
US-10196335-B2 · Feb 5, 2019 · US
Skin-protection composition containing Dendrobium-based ingredients
US-10188590-B2 · Jan 29, 2019 · US
Method of using of dihydro-resveratrol or its stilbenoid derivatives and/or chemical variants as antimicrobial agents
US-2018319729-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C39/21?
- CPC C07C39/21 is the Cooperative Patent Classification code for “with at least one hydroxy group on a non-condensed ring.”
- How many patents are filed under CPC C07C39/21 (with at least one hydroxy group on a non-condensed ring)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC C07C39/21 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).