Factors controlling drug release in cross-linked poly(valerolactone) based matrices
US-2024368351-A1 · Nov 7, 2024 · US
derived from hydroxy carboxylic acids
derived from hydroxy carboxylic acids · 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 | C08G63/664 |
| Official title | derived from hydroxy carboxylic acids |
| Display label | derived from hydroxy carboxylic acids |
| Total patents | 289 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 22 |
| 2017 | 29 |
| 2018 | 22 |
| 2019 | 29 |
| 2020 | 21 |
| 2021 | 20 |
| 2022 | 21 |
| 2023 | 21 |
| 2024 | 36 |
| 2025 | 28 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stereocomplexes for the delivery of anti-cancer agents
US-2024350644-A1 · Oct 24, 2024 · US
Method for preparing loaded nanoparticles
US-2017260326-A1 · Sep 14, 2017 · US
Segmented, p-Dioxanone-Rich, Poly(p-Dioxanone-co-epsilon-Caprolactone) Copolymers for Medical Applications and Devices Made Therefrom
US-2017202996-A1 · Jul 20, 2017 · US
Polyesters from asymetrical monomers based upon bisanhydrohexitols
US-9580544-B2 · Feb 28, 2017 · US
Stable formulations for lyophilizing therapeutic particles
US-9498443-B2 · Nov 22, 2016 · US
Polyester ethers derived from asymmetrical monomers based upon bisanydrohexitols
US-9447230-B2 · Sep 20, 2016 · US
Synthesis of hyperbranched amphiphilic polyester and theranostic nanoparticles thereof
US-2016256402-A1 · Sep 8, 2016 · US
Biodegradable particles for medical treatment and vascular embolization material
US-9408948-B2 · Aug 9, 2016 · US
Semi-solid delivery systems
US-2016220683-A1 · Aug 4, 2016 · US
Glycolide-based polyesters made with isosorbide
US-9394402-B2 · Jul 19, 2016 · US
Pendant hydrophile bearing biodegradable compositions and related devices
US-9387281-B2 · Jul 12, 2016 · US
Lactide copolymer, and resin composition and film comprising same
US-9382385-B2 · Jul 5, 2016 · US
Lactide copolymer, method for preparing same, and resin composition comprising same
US-9382386-B2 · Jul 5, 2016 · US
Pendant hydrophile bearing biodegradable compositions and related devices
US-2016166725-A1 · Jun 16, 2016 · US
Functional PLA-PEG copolymers, the nanoparticles thereof, their preparation and use for targeted drug delivery and imaging
US-9364444-B2 · Jun 14, 2016 · US
Curable resin compositions
US-2016152846-A1 · Jun 2, 2016 · US
Substituted phenacyl molecules and photoresponsive polymers
US-9353214-B2 · May 31, 2016 · US
Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing 3-hydroxyisobutyrate or methacrylic acid related thereto
US-9346902-B2 · May 24, 2016 · US
Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups
US-9328196-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G63/664?
- CPC C08G63/664 is the Cooperative Patent Classification code for “derived from hydroxy carboxylic acids.”
- How many patents are filed under CPC C08G63/664 (derived from hydroxy carboxylic acids)?
- Our database includes 289 publications tagged with this CPC code.
- Is patent activity under CPC C08G63/664 growing?
- Publication counts under this code: 36 in 2024 vs 28 in 2025 (latest complete years).