Scaffolding material for cell cultures and cell culture method using same
US-2020399576-A1 · Dec 24, 2020 · US
by an acetal or ketal radical
by an acetal or ketal radical · 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 | C08F216/38 |
| Official title | by an acetal or ketal radical |
| Display label | by an acetal or ketal radical |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 5 |
| 2019 | 13 |
| 2020 | 21 |
| 2021 | 17 |
| 2022 | 15 |
| 2023 | 17 |
| 2024 | 19 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymers, photoresist compositions and pattern formation methods
US-2020377713-A1 · Dec 3, 2020 · US
Hydrophilic copolymer with pendant thiol groups
US-10829574-B2 · Nov 10, 2020 · US
Water-absorbent resin and agricultural water-retaining material
US-2020347164-A1 · Nov 5, 2020 · US
Binder for electrical storage device electrode
US-10784513-B2 · Sep 22, 2020 · US
Vinyl alcohol-vinyl acetate copolymer
US-10711081-B2 · Jul 14, 2020 · US
Laminated glass intermediate film and laminated glass
US-10688758-B2 · Jun 23, 2020 · US
Contact lens with phosphorylcholine-modified polyvinylalcohols therein
US-2020158913-A1 · May 21, 2020 · US
Hydrophilic copolymer with pendant thiol groups
US-10618986-B2 · Apr 14, 2020 · US
Polyvinyl alcohol based diverting agents
US-2020071605-A1 · Mar 5, 2020 · US
Resin composition, and molding material and multilayer structure comprising same
US-2020002502-A1 · Jan 2, 2020 · US
Hot-water-sterilized packaging and method for producing same
US-2019345280-A1 · Nov 14, 2019 · US
Binder for power storage device electrode
US-10472441-B2 · Nov 12, 2019 · US
Esterified poly(vinyl acetal) resin compositions, layers, and interlayers having enhanced properties
US-10428167-B2 · Oct 1, 2019 · US
Vinyl alcohol-vinyl acetate copolymer
US-2019153136-A1 · May 23, 2019 · US
Pressure-sensitive adhesive composition and method of preparing pressure-sensitive adhesive composition
US-2019144721-A1 · May 16, 2019 · US
Fiber optic cable
US-2019146171-A1 · May 16, 2019 · US
Copolymer, and molded article
US-10287380-B2 · May 14, 2019 · US
Interlayer film for laminated glass
US-10259198-B2 · Apr 16, 2019 · US
(Ethylene, vinyl acetal) copolymers and their use in lithographic printing plate precursors
US-10227423-B2 · Mar 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F216/38?
- CPC C08F216/38 is the Cooperative Patent Classification code for “by an acetal or ketal radical.”
- How many patents are filed under CPC C08F216/38 (by an acetal or ketal radical)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC C08F216/38 growing?
- Publication counts under this code: 19 in 2024 vs 12 in 2025 (latest complete years).