Silicone hydrogels comprising polyamides
US-11828913-B2 · Nov 28, 2023 · US
Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00
Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00 · 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 | C08F271/00 |
| Official title | Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00 |
| Display label | Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00 |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabric treatment compositions with polymer system and related processes
US-11692305-B2 · Jul 4, 2023 · US
Complex of polymers, preparation and use
US-11608597-B2 · Mar 21, 2023 · US
Biomedical devices containing internal wetting agents
US-2022268966-A1 · Aug 25, 2022 · US
Two-component treatment agent, treatment method for making metal surface antibacterial and antibacterial treatment agent
US-2022267615-A1 · Aug 25, 2022 · US
Biomedical devices containing internal wetting agents
US-11360241-B2 · Jun 14, 2022 · US
Photosensitive coloring composition, cured film, color filter, solid-state imaging element, and image display device
US-2022163885-A1 · May 26, 2022 · US
Photosensitive coloring composition, cured film, color filter, solid-state imaging element, and image display device
US-11287739-B2 · Mar 29, 2022 · US
Method of preparing carboxylic acid functionalized polymers
US-11111335-B2 · Sep 7, 2021 · US
Polyethylenimine coated polymeric beads
US-2021229033-A1 · Jul 29, 2021 · US
Scale inhibitor compositions and methods of using
US-11046794-B2 · Jun 29, 2021 · US
Polymer material
US-2021163650-A1 · Jun 3, 2021 · US
Biomedical devices containing internal wetting agents
US-2021149084-A1 · May 20, 2021 · US
Silicone hydrogels comprising polyamides
US-2021141122-A1 · May 13, 2021 · US
Complex of polymers, preparation and use
US-2021140111-A1 · May 13, 2021 · US
Biomedical devices containing internal wetting agents
US-10935696-B2 · Mar 2, 2021 · US
Silicone hydrogels comprising polyamides
US-10890689-B2 · Jan 12, 2021 · US
Novel additive based on water-soluble polymers and uses thereof
US-2020325263-A1 · Oct 15, 2020 · US
Interpenetrating polymer network containing cross-linked poly(n-vinylamine)
US-2020239680-A1 · Jul 30, 2020 · US
Biomedical devices containing internal wetting agents
US-2020233118-A1 · Jul 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F271/00?
- CPC C08F271/00 is the Cooperative Patent Classification code for “Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00.”
- How many patents are filed under CPC C08F271/00 (Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group C08F26/00)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C08F271/00 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).