Flame retardant composition and flame-retardant resin composition containing same
US-11186777-B2 · Nov 30, 2021 · US
Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids
Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids · 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 | C08K5/529 |
| Official title | Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids |
| Display label | Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids |
| Total patents | 95 |
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 | 7 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Levoglucosan-based flame retardant compounds
US-11174435-B2 · Nov 16, 2021 · US
Polyphosphate amine salt composition, flame retardant polyphosphate amine salt composition, flame retardant synthetic resin composition containing same, and molded body thereof
US-2021246373-A1 · Aug 12, 2021 · US
Polyurethane foam or polyether polyol stabilized with a benzofuranone-phosphite derivative
US-2021246256-A1 · Aug 12, 2021 · US
Stabilized polyolefin compositions comprising benzofuranones and acid scavengers
US-10941285-B2 · Mar 9, 2021 · US
Stabilized polyolefin compositions comprising benzofuranones and organophosphorus stabilizers
US-10934423-B2 · Mar 2, 2021 · US
Stabilized polyolefin compositions comprising benzofuranones and hindered phenolic antioxidants
US-10913841-B2 · Feb 9, 2021 · US
Polymeric composition, method for producing polymeric composition, electronic apparatus, and method for manufacturing electronic apparatus
US-10851238-B2 · Dec 1, 2020 · US
Flame retardant thermoplastic polyurethane resin composition
US-10738159-B2 · Aug 11, 2020 · US
Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Amine Light Stabilizers
US-2020216638-A1 · Jul 9, 2020 · US
Stabilized Polyolefin Compositions Comprising Benzofuranones and Hindered Phenolic Antioxidants
US-2020216639-A1 · Jul 9, 2020 · US
Non-halogenated flame retardant polyamide compositions
US-2020216613-A1 · Jul 9, 2020 · US
Stabilized Polyolefin Compositions Comprising Benzofuranones and Acid Scavengers
US-2020181364-A1 · Jun 11, 2020 · US
Flame-retardant polyamide compositions and use thereof
US-2020172709-A1 · Jun 4, 2020 · US
Levoglucosan-based flame retardant compounds
US-2020165523-A1 · May 28, 2020 · US
A polyethylene pipe
US-2020157324-A1 · May 21, 2020 · US
Composition and flame-retardant resin composition
US-2020148954-A1 · May 14, 2020 · US
Flame retardant composition and flame-retardant resin composition containing same
US-2020115634-A1 · Apr 16, 2020 · US
Arabitol and xylitol based flame retardants
US-10611897-B2 · Apr 7, 2020 · US
Resin composition and articles made therefrom
US-10604640-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/529?
- CPC C08K5/529 is the Cooperative Patent Classification code for “Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids.”
- How many patents are filed under CPC C08K5/529 (Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/529 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).