Polycarbonate Resin Composition and Molded Article Produced Therefrom
US-2016319108-A1 · Nov 3, 2016 · US
Phosphorus bound to oxygen only
Phosphorus bound to oxygen only · 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 | C08K5/52 |
| Official title | Phosphorus bound to oxygen only |
| Display label | Phosphorus bound to oxygen only |
| Total patents | 368 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 53 |
| 2016 | 43 |
| 2017 | 38 |
| 2018 | 39 |
| 2019 | 31 |
| 2020 | 51 |
| 2021 | 21 |
| 2022 | 32 |
| 2023 | 19 |
| 2024 | 21 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adhesive useful for installing vehicle windows
US-9475972-B2 · Oct 25, 2016 · US
Flame retardant composition
US-2016289425-A1 · Oct 6, 2016 · US
5H-furan-2-one derivatives for stabilization of organic material
US-9458380-B2 · Oct 4, 2016 · US
Method for producing stabilized polymer
US-9447200-B2 · Sep 20, 2016 · US
Polyolefin compositions for building materials
US-2016244591-A1 · Aug 25, 2016 · US
Isoindolo[2, 1-A]quinazoline derivatives for stabilization of organic materials
US-9321902-B2 · Apr 26, 2016 · US
Encapsulant film
US-2015376479-A1 · Dec 31, 2015 · US
Encapsulant film
US-2015349163-A1 · Dec 3, 2015 · US
Curable epoxy resin composition
US-9200133-B2 · Dec 1, 2015 · US
Flame retardant composition and flame-retardant synthetic resin composition
US-2015337204-A1 · Nov 26, 2015 · US
Cross-linked polycarbonate resin with improved chemical and flame resistance
US-2015315336-A1 · Nov 5, 2015 · US
Polyolefin-Based Hot Melt Adhesives With Improved Properties
US-2015299526-A1 · Oct 22, 2015 · US
Polycyclohexylenedimethylene Terephthalate Resin Composition with High Color Resistance and Heat Resistance Comprising a Non-Halogen Flame Retardant and a Non-Halogen Flame Retardant Aid
US-2015299429-A1 · Oct 22, 2015 · US
Vehicle part cover including methacrylic-based resin
US-2015299360-A1 · Oct 22, 2015 · US
Method for producing nitrile rubber
US-9163096-B2 · Oct 20, 2015 · US
Adhesive useful for installing vehicle windows
US-2015291863-A1 · Oct 15, 2015 · US
Dispersing Agent From Renewable Raw Materials For Binding Agent-Free Pigment Preparations
US-2015267038-A1 · Sep 24, 2015 · US
Impact-modified polycarbonate compositions with high hydrolysis resistance and a light natural colour
US-2015259529-A1 · Sep 17, 2015 · US
Flame retardant composition for thermoplastic polyurethane polymers
US-9136041-B2 · Sep 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/52?
- CPC C08K5/52 is the Cooperative Patent Classification code for “Phosphorus bound to oxygen only.”
- How many patents are filed under CPC C08K5/52 (Phosphorus bound to oxygen only)?
- Our database includes 368 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/52 growing?
- Publication counts under this code: 21 in 2024 vs 15 in 2025 (latest complete years).