Polyvinyl alcohol-based fiber, fiber structure, and method for producing same
US-2025198054-A1 · Jun 19, 2025 · US
comprising unsaturated alcohols, acetals or ketals as the major constituent
comprising unsaturated alcohols, acetals or ketals as the major constituent · 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 | D01F6/34 |
| Official title | comprising unsaturated alcohols, acetals or ketals as the major constituent |
| Display label | comprising unsaturated alcohols, acetals or ketals as the major constituent |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyvinyl-alcohol-based fiber, fiber structure, and method for manufacturing same
US-2024301589-A1 · Sep 12, 2024 · US
Starch composition and molded body
US-2024239995-A1 · Jul 18, 2024 · US
Method of making a nonwoven fiber web, nonwoven fiber web, and multi-component fiber
US-12000071-B2 · Jun 4, 2024 · US
Biocidal solar cell
US-11812742-B2 · Nov 14, 2023 · US
Fibrous elements comprising polyethylene oxide
US-2023357962-A1 · Nov 9, 2023 · US
Fibrous elements comprising polyethylene oxide
US-11753745-B2 · Sep 12, 2023 · US
Modified ethylene-vinyl alcohol copolymer fibers
US-11473218-B2 · Oct 18, 2022 · US
Method of making a nonwoven fiber web, nonwoven fiber web, and multi-component fiber
US-2022228306-A1 · Jul 21, 2022 · US
Compositions in the form of dissolvable solid structures
US-11352474-B2 · Jun 7, 2022 · US
Photosensitive fiber-forming composition and method for forming fiber pattern
US-2022146934-A1 · May 12, 2022 · US
Fibrous Elements Comprising Polyethylene Oxide
US-2021214861-A1 · Jul 15, 2021 · US
Fibrous elements comprising polyethylene oxide
US-10968537-B2 · Apr 6, 2021 · US
Modified ethylene-vinyl alcohol copolymer fibers
US-2020362475-A1 · Nov 19, 2020 · US
Compositions in the form of dissolvable solid structures
US-2020308360-A1 · Oct 1, 2020 · US
Method of preparing polyvinyl alcohol nanofiber membrane enhancing cell specific adhesion
US-2020283725-A1 · Sep 10, 2020 · US
Compositions in the form of dissolvable solid structures
US-10717839-B2 · Jul 21, 2020 · US
Biocidal solar cell
US-2020221693-A1 · Jul 16, 2020 · US
Fibrous Elements Comprising Polyethylene Oxide
US-2019271099-A1 · Sep 5, 2019 · US
Fibrous elements comprising polyethylene oxide
US-10294586-B2 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F6/34?
- CPC D01F6/34 is the Cooperative Patent Classification code for “comprising unsaturated alcohols, acetals or ketals as the major constituent.”
- How many patents are filed under CPC D01F6/34 (comprising unsaturated alcohols, acetals or ketals as the major constituent)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC D01F6/34 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).