Chloride-free cationic polymers using acetate anions
US-2020216593-A1 · Jul 9, 2020 · US
and further oxygen
and further oxygen · 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 | C08F220/346 |
| Official title | {and further oxygen} |
| Display label | and further oxygen |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 15 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Curable composition, film, infrared transmitting filter, solid image pickup element, and optical sensor
US-2020174364-A1 · Jun 4, 2020 · US
Copolymer including ultraviolet light-absorbing group and compositions including the same
US-10519350-B2 · Dec 31, 2019 · US
Coloring composition, cured film, color filter, method of manufacturing color filter, solid image pickup element, and image display apparatus
US-10444625-B2 · Oct 15, 2019 · US
Swellable and Structurally Homogenous Hydrogels and Methods of Use Thereof
US-2019256633-A1 · Aug 22, 2019 · US
Copolymer, ink including copolymer, and ink-stored container
US-10370548-B2 · Aug 6, 2019 · US
Polymer compound
US-2019218324-A1 · Jul 18, 2019 · US
Novel polymers and dna copolymer coatings
US-2019194363-A1 · Jun 27, 2019 · US
Composition for polarizing plate, polarizing plate protective film, cellulose acylate film, polarizer, polarizing plate, and display
US-10253201-B2 · Apr 9, 2019 · US
Photocurable resin composition, cured product of same and method for producing cured product
US-10246538-B2 · Apr 2, 2019 · US
Energy curable compositions comprising polymeric aminoacrylates
US-2019085196-A1 · Mar 21, 2019 · US
Polymers and DNA copolymer coatings
US-10208142-B2 · Feb 19, 2019 · US
Coloring composition, method for producing coloring composition, color filter, pattern forming method, solid-state imaging device, and image display device
US-2018306953-A1 · Oct 25, 2018 · US
Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for manufacturing electronic device
US-2018292751-A1 · Oct 11, 2018 · US
Dental adhesive
US-10071028-B2 · Sep 11, 2018 · US
Liquid crystal aligning agent, liquid crystal alignment film, and liquid crystal display element
US-2018244922-A1 · Aug 30, 2018 · US
Ultraviolet curable resin composition, sliding member, and method for producing sliding member
US-10053645-B2 · Aug 21, 2018 · US
Resin film, coloring photosensitive composition, resin film production method, color filter, light shielding film, solid-state imaging element, and image display device
US-2018196178-A1 · Jul 12, 2018 · US
Copolymer including ultraviolet light-absorbing group and compositions including the same
US-2018187053-A1 · Jul 5, 2018 · US
Novel polymers and dna copolymer coatings
US-2018155469-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F220/346?
- CPC C08F220/346 is the Cooperative Patent Classification code for “and further oxygen.”
- How many patents are filed under CPC C08F220/346 (and further oxygen)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC C08F220/346 growing?
- Publication counts under this code: 7 in 2024 vs 16 in 2025 (latest complete years).