Semi-rigid polyurethane foam formulation and method for making foamed parts
US-2022347995-A1 · Nov 3, 2022 · US
the polyols containing one or two ether groups
the polyols containing one or two ether groups · 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 | C08G18/425 |
| Official title | {the polyols containing one or two ether groups} |
| Display label | the polyols containing one or two ether groups |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 17 |
| 2025 | 9 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing flameproof pur/pir rigid foams
US-2022332881-A1 · Oct 20, 2022 · US
Polyurethane compositions, products prepared with same and preparation methods thereof
US-2022306858-A1 · Sep 29, 2022 · US
Low viscosity poly(alkynyl carbamate) polymers
US-11292866-B2 · Apr 5, 2022 · US
Phosphinate as flame-proofing additive for PUR/PIR hard foam material
US-11279809-B2 · Mar 22, 2022 · US
Process for Forming a Laminate
US-2022002506-A1 · Jan 6, 2022 · US
A rigid polyurethane foam formulation and foam made therefrom
US-2021347989-A1 · Nov 11, 2021 · US
Phosphinate as flame-proofing additive for pur/pir hard foam material
US-2021309823-A1 · Oct 7, 2021 · US
Heat resistant hot melt moisture cure adhesive composition and articles including the same
US-2021269687-A1 · Sep 2, 2021 · US
Hybrid polyols based on natural oil polyols
US-11098158-B2 · Aug 24, 2021 · US
Cold flexible polyurethane formulation
US-11091652-B2 · Aug 17, 2021 · US
Processes for making coated films and solventless polyurethane precursors that may be used to make coated films
US-2021246332-A1 · Aug 12, 2021 · US
Thermoplastic polyurethanes with high moisture vapor transmission and low water absorption
US-2021179765-A1 · Jun 17, 2021 · US
Low viscosity poly(alkynyl carbamate) prepolymers
US-2021155743-A1 · May 27, 2021 · US
Low viscosity poly(alkynyl carbamate) polymers
US-2021155742-A1 · May 27, 2021 · US
Polyurethane-based composition
US-2021122869-A1 · Apr 29, 2021 · US
Semi-rigid polyurethane foam and process to make
US-10975211-B2 · Apr 13, 2021 · US
Urethane exchange catalysts and methods for reprocessing cross-linked polyurethanes
US-2021095067-A1 · Apr 1, 2021 · US
Method for providing surface modifying composition with improved byproduct removal
US-10961340-B2 · Mar 30, 2021 · US
Flexibilized polyurethanes for flexible packaging adhesive without aromatic amine migration
US-2021039359-A1 · Feb 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/425?
- CPC C08G18/425 is the Cooperative Patent Classification code for “the polyols containing one or two ether groups.”
- How many patents are filed under CPC C08G18/425 (the polyols containing one or two ether groups)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/425 growing?
- Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).