Polyol composition and polyurethane foam
US-2021355292-A1 · Nov 18, 2021 · US
Phosphorus
Phosphorus · 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 | C08K2003/026 |
| Official title | {Phosphorus} |
| Display label | Phosphorus |
| Total patents | 104 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aziridino-functional polyether thermally-conductive gap filler
US-11171370-B2 · Nov 9, 2021 · US
Antimicrobial/antiviral plastics and molded products
US-2021277203-A1 · Sep 9, 2021 · US
Antiviral/antimicrobial polymer compositions, fibers, and products
US-2021277234-A1 · Sep 9, 2021 · US
Polyamide resin composition, molded article, and method for manufacturing polyamide resin pellet
US-11078330-B2 · Aug 3, 2021 · US
Epoxy resin formulations
US-2021214550-A1 · Jul 15, 2021 · US
Mica coated with metal oxide as a flame retardant
US-10988693-B2 · Apr 27, 2021 · US
Process for producing rigid, flame-retardant pu/pir foam
US-2021115212-A1 · Apr 22, 2021 · US
Reflective coatings and in-mold processes for their application to polymer substrates
US-2021115271-A1 · Apr 22, 2021 · US
Polyurethane composition
US-10982037-B2 · Apr 20, 2021 · US
Flame retardant polyisocyanurate foam
US-2020377644-A1 · Dec 3, 2020 · US
Polyurethane composition
US-2020317852-A1 · Oct 8, 2020 · US
Polyethylene terephthalate resin composition and film formed from same
US-10774178-B2 · Sep 15, 2020 · US
Polyamide mixtures comprising polyamides containing pyrrolidone
US-10745557-B2 · Aug 18, 2020 · US
Flame-retardant urethane resin composition
US-2020255576-A1 · Aug 13, 2020 · US
Flame-retardant urethane resin composition
US-10676559-B2 · Jun 9, 2020 · US
Flame-retardant urethane resin composition
US-10633480-B2 · Apr 28, 2020 · US
Polyamide resin composition, molded article, and method for manufacturing polyamide resin pellet
US-2020087459-A1 · Mar 19, 2020 · US
Polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same
US-10550241-B2 · Feb 4, 2020 · US
Antimicrobial polymer resins, fibers, and yarns with phosphorus content
US-2020017682-A1 · Jan 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/026?
- CPC C08K2003/026 is the Cooperative Patent Classification code for “Phosphorus.”
- How many patents are filed under CPC C08K2003/026 (Phosphorus)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/026 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).