Particles of polyamide powders and use thereof in powder agglomeration processes
US-2022213319-A1 · Jul 7, 2022 · US
Anionic polymerisation
Anionic polymerisation · 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 | C08G69/18 |
| Official title | Anionic polymerisation |
| Display label | Anionic polymerisation |
| Total patents | 78 |
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 | 10 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 15 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-dimensional inkjet printing using polyamide-forming materials
US-11173653-B2 · Nov 16, 2021 · US
Polymerizable composition
US-11168173-B2 · Nov 9, 2021 · US
Products containing nylon 6 produced by stereolithography and methods of making the same
US-11135766-B2 · Oct 5, 2021 · US
Melting and injection device for plastic materials
US-11117290-B2 · Sep 14, 2021 · US
Polyamide fine particle, method for producing same, and polyamide fine particle composition
US-11008421-B2 · May 18, 2021 · US
Fiber reinforced composites made with coupling-activator treated fibers and activator containing reactive resin
US-10954349-B2 · Mar 23, 2021 · US
Route for the synthesis of statistical, aliphatic-aromatic copolyamides, and the resulting statistical, aliphatic-aromatic copolyamides
US-10947344-B2 · Mar 16, 2021 · US
Method for preparing polyamide by using molecular weight control agent having double active group, and polyamide prepared thereby
US-2021002424-A1 · Jan 7, 2021 · US
Method for producing polyamide using terminal encapsulant and polyamide produced thereby
US-2020385520-A1 · Dec 10, 2020 · US
Method for producing polyamide comprising amide-based molecular weight modifier, and polyamide produced thereby
US-2020385521-A1 · Dec 10, 2020 · US
Polyamide composition and method for producing polyamide composition
US-2020377655-A1 · Dec 3, 2020 · US
Method for producing polyamide with controlled activator addition, and polyamide produced thereby
US-2020277438-A1 · Sep 3, 2020 · US
Method for preparing polyamide by anion ring-opening polymerization and polyamide prepared thereby
US-2020270397-A1 · Aug 27, 2020 · US
Polyamide fine particle, method for producing same, and polyamide fine particle composition
US-2020231751-A1 · Jul 23, 2020 · US
System for producing a fully impregnated thermoplastic prepreg
US-2020223161-A1 · Jul 16, 2020 · US
Composition for interfacial polymerization of polyamide and method for manufacturing reverse osmosis membrane using same
US-10632425-B2 · Apr 28, 2020 · US
Melting and injection device for plastic materials
US-2020039112-A1 · Feb 6, 2020 · US
Polymerizable composition
US-2020031996-A1 · Jan 30, 2020 · US
Process for producing monomer compositions and use of these for producing a polyamide molding
US-10538624-B2 · Jan 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G69/18?
- CPC C08G69/18 is the Cooperative Patent Classification code for “Anionic polymerisation.”
- How many patents are filed under CPC C08G69/18 (Anionic polymerisation)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C08G69/18 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).