Polypropylene resin composition having improved mechanical properties
US-9527990-B2 · Dec 27, 2016 · US
Nitrogen-containing compounds {(C08K5/0091 takes precedence)}
Nitrogen-containing compounds {(C08K5/0091 takes precedence)} · 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 | C08K5/16 |
| Official title | Nitrogen-containing compounds {(C08K5/0091 takes precedence)} |
| Display label | Nitrogen-containing compounds {(C08K5/0091 takes precedence)} |
| Total patents | 344 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 30 |
| 2017 | 37 |
| 2018 | 37 |
| 2019 | 42 |
| 2020 | 37 |
| 2021 | 38 |
| 2022 | 28 |
| 2023 | 20 |
| 2024 | 20 |
| 2025 | 16 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gemini surfactants and methods for their preparation and use
US-2016368865-A1 · Dec 22, 2016 · US
Methods and compositions for coating substrates
US-9522413-B2 · Dec 20, 2016 · US
Dispersions of cross-linked latex polymer particles and a curable amino resin
US-9518191-B2 · Dec 13, 2016 · US
Processes for producing viscous epoxy syrups and epoxy syrups obtainable thereby
US-2016355634-A1 · Dec 8, 2016 · US
Liquid resin composition
US-2016340470-A1 · Nov 24, 2016 · US
Film-forming composition
US-9502592-B2 · Nov 22, 2016 · US
High-molecular weight aliphatic polycarbonate prepared using base catalyst
US-9475905-B2 · Oct 25, 2016 · US
Polyurethanes having reduced aldehyde emission
US-2016304686-A1 · Oct 20, 2016 · US
Accelerator mixture for peroxide hardener and two-component mortar system containing same
US-9463449-B2 · Oct 11, 2016 · US
Soft magnetic resin composition and soft magnetic film
US-2016268026-A1 · Sep 15, 2016 · US
Flame retardant thermoplastic resin composition and electric wire comprising the same
US-2016251514-A1 · Sep 1, 2016 · US
Resin composition and uses thereof in high frequency circuit boards
US-2016244610-A1 · Aug 25, 2016 · US
Secondary-battery binder composition, slurry composition for secondary-battery electrode, secondary-battery negative electrode, and secondary battery
US-2016204439-A1 · Jul 14, 2016 · US
Crosslinked polyethylene composition having improved processability
US-9388296-B2 · Jul 12, 2016 · US
Terminal device
US-9357396-B2 · May 31, 2016 · US
Mould-release agent combinations
US-2016137812-A1 · May 19, 2016 · US
Photoinitiator composition
US-9321853-B2 · Apr 26, 2016 · US
Rubber composition and pneumatic tire
US-9315647-B2 · Apr 19, 2016 · US
Epoxy resin compositions using solvated solids
US-9309381-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/16?
- CPC C08K5/16 is the Cooperative Patent Classification code for “Nitrogen-containing compounds {(C08K5/0091 takes precedence)}.”
- How many patents are filed under CPC C08K5/16 (Nitrogen-containing compounds {(C08K5/0091 takes precedence)})?
- Our database includes 344 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/16 growing?
- Publication counts under this code: 20 in 2024 vs 16 in 2025 (latest complete years).