Glassine paper material for wrapping self-adhesive note pads
US-12570873-B2 · Mar 10, 2026 · US
Vegetable or imitation parchment; Glassine paper
Vegetable or imitation parchment; Glassine paper · 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 | D21H27/06 |
| Official title | Vegetable or imitation parchment; Glassine paper |
| Display label | Vegetable or imitation parchment; Glassine paper |
| Total patents | 26 |
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 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and products thereof
US-12441820-B2 · Oct 14, 2025 · US
Transparent cellulosic packaging
US-2025242963-A1 · Jul 31, 2025 · US
Supercalendered kraft paper comprising recycled fiber
US-2025092604-A1 · Mar 20, 2025 · US
Transparent wood composite, systems and method of fabrication
US-2025084241-A1 · Mar 13, 2025 · US
Supercalendered kraft paper comprising recycled fiber
US-12188183-B2 · Jan 7, 2025 · US
Transparent wood composite, systems and method of fabrication
US-12168727-B2 · Dec 17, 2024 · US
Gas barrier laminate and packaging
US-2024344273-A1 · Oct 17, 2024 · US
Glassine paper material for wrapping self-adhesive note pads
US-2024271009-A1 · Aug 15, 2024 · US
Supercalendered kraft paper comprising recycled fiber
US-2024218598-A1 · Jul 4, 2024 · US
Method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and products thereof
US-2024124620-A1 · Apr 18, 2024 · US
Uv-curable ethylene scavenging compositions
US-2024124669-A1 · Apr 18, 2024 · US
Method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and products thereof
US-11897974-B2 · Feb 13, 2024 · US
Methods of producing biodegradable and recyclable barrier paper laminate
US-11821142-B2 · Nov 21, 2023 · US
Transparent wood composite, systems and method of fabrication
US-2022259412-A1 · Aug 18, 2022 · US
A method for manufacturing thermoplastic poly(vinyl alcohol) derivative in a melt state reaction and products thereof
US-2022162357-A1 · May 26, 2022 · US
Transfer paper
US-11313076-B2 · Apr 26, 2022 · US
Methods of producing biodegradable and recyclable barrier paper laminate
US-2022112664-A1 · Apr 14, 2022 · US
Transparent wood composite, systems and method of fabrication
US-2021122902-A1 · Apr 29, 2021 · US
Transfer paper
US-2020080261-A1 · Mar 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21H27/06?
- CPC D21H27/06 is the Cooperative Patent Classification code for “Vegetable or imitation parchment; Glassine paper.”
- How many patents are filed under CPC D21H27/06 (Vegetable or imitation parchment; Glassine paper)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC D21H27/06 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).