Process and apparatus for converting aqueous alcohol to ethylene
US-2024217895-A1 · Jul 4, 2024 · 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 | C07C29/80 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 566 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 67 |
| 2016 | 51 |
| 2017 | 35 |
| 2018 | 38 |
| 2019 | 42 |
| 2020 | 45 |
| 2021 | 43 |
| 2022 | 52 |
| 2023 | 56 |
| 2024 | 61 |
| 2025 | 63 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Salt Removal and Transport System and Method For Use In A Mono Ethylene Glycol Reclamation Process
US-2015361016-A1 · Dec 17, 2015 · US
Process for the production of a fatty alcohol from a fatty acid
US-9212114-B2 · Dec 15, 2015 · US
Method or system for recovering carbon dioxide
US-2015353454-A1 · Dec 10, 2015 · US
Apparatus and process for using olefin as an azeotropic entrainer for isolating 1,3-DICHLORO-2-propanol from a 2,2′-oxybis (1-chloropropane) waste stream
US-9180384-B2 · Nov 10, 2015 · US
Removal of organic salts from bio-derived glycol products of polyol hydrogenolysis
US-9174902-B2 · Nov 3, 2015 · US
Polyester with excellent thermostability and manufacturing method therefor
US-9175133-B2 · Nov 3, 2015 · US
Device for preparing alkanol
US-2015306517-A1 · Oct 29, 2015 · US
Process For The Production Of A Fatty Alcohol From A Fatty Acid
US-2015291491-A1 · Oct 15, 2015 · US
Process to recover alcohol with reduced water from overhead of acid column
US-9156754-B2 · Oct 13, 2015 · US
System for removing salt from a rich mono ethylene glycol stream
US-9150477-B1 · Oct 6, 2015 · US
Reduction of acid within column through esterification during the production of alcohols
US-9150474-B2 · Oct 6, 2015 · US
Process to recover alcohol from an ethyl acetate residue stream
US-9150478-B2 · Oct 6, 2015 · US
Process for preparing deodorized 1,2-propanediol
US-9145347-B2 · Sep 29, 2015 · US
Process for Producing Phenol
US-2015251997-A1 · Sep 10, 2015 · US
Phenol resin treatment improvement
US-2015251984-A1 · Sep 10, 2015 · US
Reduced energy alcohol separation process having water removal
US-9126125-B2 · Sep 8, 2015 · US
Process for preparing 4-cyclohexyl-2-methyl-2-butanol
US-2015246864-A1 · Sep 3, 2015 · US
Process for preparing 4-cyclohexyl-2-methyl-2-butanol
US-2015225325-A1 · Aug 13, 2015 · US
Process for producing compositions rich in crystals of mannitol in delta form, compositions and crystals obtained and uses thereof
US-2015218071-A1 · Aug 6, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/80?
- CPC C07C29/80 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C29/80 (Chemistry & Metallurgy)?
- Our database includes 566 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/80 growing?
- Publication counts under this code: 61 in 2024 vs 63 in 2025 (latest complete years).