Synthetic leather
US-2024026603-A1 · Jan 25, 2024 · US
characterised by the macromolecular diols used
characterised by the macromolecular diols used · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06N3/146 |
| Official title | {characterised by the macromolecular diols used} |
| Display label | characterised by the macromolecular diols used |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 13 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 25 |
| 2023 | 15 |
| 2024 | 18 |
| 2025 | 20 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polycarbonate diol composition
US-2022411565-A1 · Dec 29, 2022 · US
Moisture-curable polyurethane resin composition, adhesive, and laminate
US-2022340796-A1 · Oct 27, 2022 · US
Synthetic leather
US-2022220667-A1 · Jul 14, 2022 · US
Grain-finished leather-like sheet and evaluation method for grain-finished leather-like sheet
US-2022186430-A1 · Jun 16, 2022 · US
Method for preparing wpu synthetic leather foaming layers based on pickering foam template method
US-2022185984-A1 · Jun 16, 2022 · US
Polycarbonate diol and polyurethane using same
US-2022073673-A1 · Mar 10, 2022 · US
Napped artificial leather and composite material
US-2022074133-A1 · Mar 10, 2022 · US
Fire retardant thermally insulating laminate
US-2022049114-A1 · Feb 17, 2022 · US
Aqueous polyurethane resin dispersion, paint, film configuration, and structure
US-2022002584-A1 · Jan 6, 2022 · US
Aqueous Polyurethane Dispersions for Artificial Leather Applications
US-2021371698-A1 · Dec 2, 2021 · US
Artificial leather base material, method for production thereof, and napped artificial leather
US-2021310186-A1 · Oct 7, 2021 · US
Grained leather-like sheet
US-2021285152-A1 · Sep 16, 2021 · US
Synthetic leather
US-2021230798-A1 · Jul 29, 2021 · US
Polyurethane resin, paint, structure, and article
US-2021230345-A1 · Jul 29, 2021 · US
Artificial leather with three-dimensional pattern and manufacturing method thereof
US-10815613-B2 · Oct 27, 2020 · US
Eco-friendly artificial leather for interior of automobile and manufacturing method thereof
US-10676863-B2 · Jun 9, 2020 · US
Napped artificial leather
US-2020071879-A1 · Mar 5, 2020 · US
Sheet-like material
US-2019375935-A1 · Dec 12, 2019 · US
Chemical resistant pud for microfiber nonwoven leather application and the method
US-2019375877-A1 · Dec 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06N3/146?
- CPC D06N3/146 is the Cooperative Patent Classification code for “characterised by the macromolecular diols used.”
- How many patents are filed under CPC D06N3/146 (characterised by the macromolecular diols used)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC D06N3/146 growing?
- Publication counts under this code: 18 in 2024 vs 20 in 2025 (latest complete years).