Fire retardant
US-2021355385-A1 · Nov 18, 2021 · US
Organic materials
Organic materials · 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 | C09K21/06 |
| Official title | Organic materials |
| Display label | Organic materials |
| Total patents | 82 |
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 | 3 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Graphene-based composite flame retardants
US-11174433-B2 · Nov 16, 2021 · US
Flame retardant polymer composite materials and methods of making the same
US-11111364-B2 · Sep 7, 2021 · US
Flame retardant levulinic acid-based compounds
US-2021139783-A1 · May 13, 2021 · US
Railroad vehicle with fire retardant anti-vibration device
US-11001279-B2 · May 11, 2021 · US
Fire resistant optical fibre cable with high fibre count
US-10996413-B2 · May 4, 2021 · US
Flame retardant levulinic acid-based compounds
US-10947454-B2 · Mar 16, 2021 · US
Adamantane-intercalated layered double hydroxide
US-10906859-B2 · Feb 2, 2021 · US
Fire-resistant laminate and battery
US-2021013460-A1 · Jan 14, 2021 · US
Powdered composition comprising a fireproofing agent
US-2020392410-A1 · Dec 17, 2020 · US
Flame- retardant electrical cable
US-2020343021-A1 · Oct 29, 2020 · US
Fire resistant optical fibre cable with high fibre count
US-2020310059-A1 · Oct 1, 2020 · US
Solid composite intumescent structures for fire protection
US-10683457-B2 · Jun 16, 2020 · US
Physical-chemical composite inhibitor for controlling spontaneous combustion of low-rank coal and method of preparing and using same
US-10648336-B2 · May 12, 2020 · US
Physical-chemical composite inhibitor for controlling spontaneous combustion of low-rank coal and method of preparing and using same
US-2020095864-A1 · Mar 26, 2020 · US
Methods for producing solvents derived from 1-chloro-3, 3, 3-trifluoro-propene (1233zd)
US-10597346-B2 · Mar 24, 2020 · US
Flame retardant resin composition
US-2020032050-A1 · Jan 30, 2020 · US
Transparent resin composition and transparent resin molded article
US-2020024444-A1 · Jan 23, 2020 · US
Diffusive polycarbonate compositions with enhanced flame retardant properties, luminous efficiency and beam angle of optical components
US-2020010669-A1 · Jan 9, 2020 · US
Halogen-free solid flame retardant mixture and use thereof
US-10508238-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K21/06?
- CPC C09K21/06 is the Cooperative Patent Classification code for “Organic materials.”
- How many patents are filed under CPC C09K21/06 (Organic materials)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC C09K21/06 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).