Polymer-derived ceramic fibers and methods of preparing the same
US-2022340494-A1 · Oct 27, 2022 · US
from polymers of unsaturated carboxylic acids or unsaturated organic esters, e.g. polyacrylic esters, polyvinyl acetate · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F6/16 |
| Official title | from polymers of unsaturated carboxylic acids or unsaturated organic esters, e.g. polyacrylic esters, polyvinyl acetate |
| Display label | from polymers of unsaturated carboxylic acids or unsaturated organic esters, e.g. polyacrylic esters, polyvinyl acetate |
| Total patents | 73 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022340494-A1 · Oct 27, 2022 · US
US-11447634-B2 · Sep 20, 2022 · US
US-2022265529-A1 · Aug 25, 2022 · US
US-11401629-B2 · Aug 2, 2022 · US
US-2022233416-A1 · Jul 28, 2022 · US
US-2022213620-A1 · Jul 7, 2022 · US
US-2022206213-A1 · Jun 30, 2022 · US
US-2022194034-A1 · Jun 23, 2022 · US
US-11319647-B2 · May 3, 2022 · US
US-2022089875-A1 · Mar 24, 2022 · US
US-2022089496-A1 · Mar 24, 2022 · US
US-11261542-B2 · Mar 1, 2022 · US
US-2021395923-A1 · Dec 23, 2021 · US
US-2021384493-A1 · Dec 9, 2021 · US
US-2021363668-A1 · Nov 25, 2021 · US
US-2021353529-A1 · Nov 18, 2021 · US
US-11135566-B2 · Oct 5, 2021 · US
US-11071954-B2 · Jul 27, 2021 · US
US-2020390668-A1 · Dec 17, 2020 · US
US-2020376465-A1 · Dec 3, 2020 · US
Answers are generated from the same data shown on this page.