Musky odorant
US-2025263629-A1 · Aug 21, 2025 · US
Malonic acid esters
Malonic acid esters · 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 | C07C69/38 |
| Official title | Malonic acid esters |
| Display label | Malonic acid esters |
| Total patents | 36 |
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 | 1 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alicyclic aliphatic 1,3-dicarbonyl derivatives useful as fragrances
US-2025243147-A1 · Jul 31, 2025 · US
Esters as fragrance compounds
US-2023202963-A1 · Jun 29, 2023 · US
Calixarene compound, curable composition and cured product
US-2022315527-A1 · Oct 6, 2022 · US
Inhibitors of antibiotic resistance mediated by arnt
US-2022259249-A1 · Aug 18, 2022 · US
Surfactant performance through carbon chain extension and lower branching
US-11292756-B2 · Apr 5, 2022 · US
Use of polycarboxylic acid compounds for the treatment of fibrious amino acid based substrates, especially hair
US-11090255-B2 · Aug 17, 2021 · US
Polymers including one or more 1,1-disubstituted alkene compounds and polymer compositions thereof
US-11021617-B2 · Jun 1, 2021 · US
Use of polycarboxylic acid compounds for the treatment of fibrious amino acid based substrates, especially hair
US-2020170923-A1 · Jun 4, 2020 · US
Proflavor delivery particles
US-10638782-B2 · May 5, 2020 · US
Hemiacetyl proflavors
US-10638779-B2 · May 5, 2020 · US
Proflavor delivery powders
US-10640479-B2 · May 5, 2020 · US
Polymers containing a 1,1-disubstituted alkene compound
US-10633566-B2 · Apr 28, 2020 · US
Low-temperature curable compositions
US-10563040-B2 · Feb 18, 2020 · US
Polymers including one or more 1,1-disubstituted alkene compounds and polymer compositions thereof
US-2019263955-A1 · Aug 29, 2019 · US
Oxidative coupling of aryl boron reagents with SP3-carbon nucleophiles, and ambient decarboxylative arylation of malonate half-esters via oxidative catalysis
US-10364208-B2 · Jul 30, 2019 · US
Polymers including one or more 1,1-disubstituted alkene compounds and polymer compositions thereof
US-10308802-B2 · Jun 4, 2019 · US
Polymers containing a 1,1-disubstituted alkene compound
US-2019153272-A1 · May 23, 2019 · US
Emulsion including polymers containing a 1,1-disubstituted alkene compound, adhesives, coatings, and methods thereof
US-10184073-B2 · Jan 22, 2019 · US
Low-temperature curable compositions
US-2018355145-A1 · Dec 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C69/38?
- CPC C07C69/38 is the Cooperative Patent Classification code for “Malonic acid esters.”
- How many patents are filed under CPC C07C69/38 (Malonic acid esters)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C07C69/38 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).