Higher secondary alcohol alkoxylate precursor, higher secondary alcohol alkoxylate adduct and higher secondary alkyl ether sulfate ester salt, and methods for producing these
US-12570592-B2 · Mar 10, 2026 · US
being acyclic and saturated
being acyclic and saturated · 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 | C07C305/04 |
| Official title | being acyclic and saturated |
| Display label | being acyclic and saturated |
| Total patents | 58 |
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 | 3 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ionic compound, absorbent and absorption device
US-2025188034-A1 · Jun 12, 2025 · US
Gluconamide sulfate surfactants
US-2024409505-A1 · Dec 12, 2024 · US
Low molecular weight dry powder polymer for use as paper-making dry strength agent
US-2024262802-A1 · Aug 8, 2024 · US
Ionic Liquid Chain Transfer Agent
US-2024228856-A1 · Jul 11, 2024 · US
Novel Chlorhexidine Salts and Related Compositions and Methods
US-2024199538-A1 · Jun 20, 2024 · US
Ionic compound, absorbent and absorption device
US-2024132496-A1 · Apr 25, 2024 · US
Low molecular weight dry powder polymer for use as paper-making dry strength agent
US-11939309-B2 · Mar 26, 2024 · US
Method for fracking subterranean geological formation with surfactant-containing fluid
US-11866641-B2 · Jan 9, 2024 · US
Process for the preparation of organosulfate salts of amino acids esters
US-11739052-B2 · Aug 29, 2023 · US
Sulfuric acid ester or salt thereof, and surfactant
US-11708324-B2 · Jul 25, 2023 · US
Method for fracking subterranean geological formation with surfactant-containing fluid
US-2023138419-A1 · May 4, 2023 · US
Betaine surfactants containing an unsaturated fatty tail and methods thereof
US-11555143-B2 · Jan 17, 2023 · US
Higher secondary alcohol alkoxylate precursor, higher secondary alcohol alkoxylate adduct and higher secondary alkyl ether sulfate ester salt, and methods for producing these
US-2022324781-A1 · Oct 13, 2022 · US
Solid forms comprising 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione and a coformer, compositions and methods of use thereof
US-11406629-B2 · Aug 9, 2022 · US
Biodegradable surfactants and related compositions, methods and systems
US-2021403421-A1 · Dec 30, 2021 · US
Sulfuric acid ester or salt thereof, and surfactant
US-2021340098-A1 · Nov 4, 2021 · US
Water-soluble diacetylene, photolithography composition comprising water-soluble diacetylene monomer and conductive polymer, and fine pattern preparation method using same
US-11131925-B2 · Sep 28, 2021 · US
Sulfuric acid ester or salt thereof, and surfactant
US-11072580-B2 · Jul 27, 2021 · US
Biodegradable surfactants and related compositions, methods and systems
US-11066359-B2 · Jul 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C305/04?
- CPC C07C305/04 is the Cooperative Patent Classification code for “being acyclic and saturated.”
- How many patents are filed under CPC C07C305/04 (being acyclic and saturated)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C07C305/04 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).