Process for producing acetic acid
US-9505691-B2 · Nov 29, 2016 · 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 | C07C53/08 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 285 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 42 |
| 2017 | 35 |
| 2018 | 26 |
| 2019 | 37 |
| 2020 | 37 |
| 2021 | 18 |
| 2022 | 10 |
| 2023 | 14 |
| 2024 | 18 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process to control HI concentration in residuum stream
US-9505695-B2 · Nov 29, 2016 · US
Coupling of two arenes with selenium dioxide to give a selenobiaryl ether
US-2016340304-A1 · Nov 24, 2016 · US
Fullerene derivatives and organic electronic device comprising fullerene derivatives
US-2016329498-A1 · Nov 10, 2016 · US
Processes for producing acetic acid from a reaction medium having low ethyl iodide content
US-9458078-B2 · Oct 4, 2016 · US
Reducing hydrogen iodide content in carbonylation processes
US-9458077-B2 · Oct 4, 2016 · US
Method for producing carbonyl compound
US-9440902-B2 · Sep 13, 2016 · US
Process for nitrile removal from hydrocarbon feeds
US-9428427-B2 · Aug 30, 2016 · US
Catalyst-coated support, method for the production thereof, a reactor equipped therewith, and use thereof
US-9421513-B2 · Aug 23, 2016 · US
Process to produce acetic acid with recycle of water
US-9416088-B1 · Aug 16, 2016 · US
Systems and methods for processing variable acetyl streams
US-9415366-B2 · Aug 16, 2016 · US
Process to Control HI Concentration in Residuum Stream
US-2016221918-A1 · Aug 4, 2016 · US
Carbonylation catalyst and process using same
US-9387469-B2 · Jul 12, 2016 · US
Process for flashing a reaction medium
US-9382183-B1 · Jul 5, 2016 · US
Salts of kukoamine B, preparation method and use thereof
US-9365504-B2 · Jun 14, 2016 · US
Processes for producing an acetic acid product having low butyl acetate content
US-2016159721-A1 · Jun 9, 2016 · US
Removal of aromatics from carbonylation process
US-9346734-B2 · May 24, 2016 · US
Processes for improving acetic acid yield by removing iron
US-2016137578-A1 · May 19, 2016 · US
Process for producing acetic acid
US-2016102036-A1 · Apr 14, 2016 · US
Process for producing bio-based product from straw hemicellulose and fully utilizing the components thereof
US-9309577-B2 · Apr 12, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C53/08?
- CPC C07C53/08 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C53/08 (Chemistry & Metallurgy)?
- Our database includes 285 publications tagged with this CPC code.
- Is patent activity under CPC C07C53/08 growing?
- Publication counts under this code: 18 in 2024 vs 11 in 2025 (latest complete years).