Method for increasing propylene oxide output of an integrated process for making propylene oxide and propylene glycol
US-12577218-B2 · Mar 17, 2026 · US
from oxiranes
from oxiranes · 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 | C07C41/02 |
| Official title | from oxiranes |
| Display label | from oxiranes |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing bio-derived branched alkyl glyceryl ether, and bio-derived branched alkyl glyceryl ether produced by said method
US-12528755-B2 · Jan 20, 2026 · US
Method of producing bio-derived branched alkyl glyceryl ether, and bio-derived branched alkyl glyceryl ether produced by said method
US-2025263362-A1 · Aug 21, 2025 · US
Polyalkylene glycol compound
US-12384882-B2 · Aug 12, 2025 · US
A method for increasing propylene oxide output of an integrated process for making propylene oxide and propylene glycol
US-2023382878-A1 · Nov 30, 2023 · US
Method and system for preparing epoxypropane by directly epoxidizing propylene
US-2023339833-A1 · Oct 26, 2023 · US
Recycle content glycol ether and glycol ether ester compositions
US-2022380283-A1 · Dec 1, 2022 · US
Polyalkylene glycol compound
US-2022081513-A1 · Mar 17, 2022 · US
Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound
US-11149117-B2 · Oct 19, 2021 · US
Compound containing unsaturated double bond, oxygen absorbent using same and resin composition
US-2021163391-A1 · Jun 3, 2021 · US
Methods of making polyfunctional polyfluorinated compounds
US-2021070686-A1 · Mar 11, 2021 · US
Process for preparing an epoxidation catalyst
US-10821430-B2 · Nov 3, 2020 · US
Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3 - group 15 metal or lanthanide series metal compound
US-2019211149-A1 · Jul 11, 2019 · US
Process for preparing an epoxidation catalyst
US-2019184387-A1 · Jun 20, 2019 · US
Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound
US-10233284-B2 · Mar 19, 2019 · US
Method for the production of ethylene oxide
US-9856227-B2 · Jan 2, 2018 · US
Method for the production of ethylene oxide
US-2017158654-A1 · Jun 8, 2017 · US
Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3 - group 15 metal or lanthanide series metal compound
US-2017101506-A1 · Apr 13, 2017 · US
Method for the production of ethylene oxide
US-9573916-B2 · Feb 21, 2017 · US
Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound
US-9556309-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C41/02?
- CPC C07C41/02 is the Cooperative Patent Classification code for “from oxiranes.”
- How many patents are filed under CPC C07C41/02 (from oxiranes)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C07C41/02 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).