Preparation of acetate compounds via a ketene compound
US-2020308094-A1 · Oct 1, 2020 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07C69/145 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 104 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 15 |
| 2017 | 11 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
New intermediates for the vitamin a synthesis
US-2020283368-A1 · Sep 10, 2020 · US
Fragrance and flavor materials
US-10647942-B2 · May 12, 2020 · US
Fragrance and flavor materials
US-2020063062-A1 · Feb 27, 2020 · US
Process for the preparation of polysantol-type compounds
US-2019292127-A1 · Sep 26, 2019 · US
Compound, and flavor composition and/or fragrance composition containing same
US-10294193-B2 · May 21, 2019 · US
Process for preparing (4z,7z)-4,7-decadien-1-yl acetate
US-2019071385-A1 · Mar 7, 2019 · US
Enantiospecific process for the preparation of (R) and (S) enantiomers of sex pheromonoes of the long tailed mealy bug
US-10221122-B2 · Mar 5, 2019 · US
Process for preparing (4Z,7Z)-4,7-decadien-1-yl acetate
US-10221123-B1 · Mar 5, 2019 · US
Polymer-supported metal
US-2019060887-A1 · Feb 28, 2019 · US
Cell seeding plate, method for manufacturing the same, and cell sheet separating method
US-2019039999-A1 · Feb 7, 2019 · US
Method for producing (z)-2-benzoyloxy-12-heptadecene and (2s,12z)-2-hydroxy-12-heptadecene and method for producing (2s,12z)-2-acetoxy-12-heptadecene
US-2018355386-A1 · Dec 13, 2018 · US
Method for producing (Z)-2-benzoyloxy-12-heptadecene and (2S,12Z)-2-hydroxy-12-heptadecene and method for producing (2S,12Z)-2-acetoxy-12-heptadecene
US-10081820-B2 · Sep 25, 2018 · US
Perfume systems
US-2018258371-A1 · Sep 13, 2018 · US
Perfume systems
US-2018230398-A1 · Aug 16, 2018 · US
Odorants of the violet type
US-10023514-B2 · Jul 17, 2018 · US
Perfume systems
US-9994793-B2 · Jun 12, 2018 · US
(3R) epimer of octahydro-7,7-dimethyl-8-methylene 1H-3a, 6-methanoazulene-3-yl acetate, composition, synthesis process and use of said epimer
US-9914691-B2 · Mar 13, 2018 · US
Preparation of homoallylic compounds by reaction of cyclopropylvinyl precursors with bronstedt acids
US-9884803-B2 · Feb 6, 2018 · US
Method for producing asymmetric conjugated diyne compound and method for producing Z,Z-conjugated diene compound using the same
US-9845304-B2 · Dec 19, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C69/145?
- CPC C07C69/145 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C69/145 (Chemistry & Metallurgy)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC C07C69/145 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).