Method for producing polyamide using terminal encapsulant and polyamide produced thereby
US-2020385520-A1 · Dec 10, 2020 · US
Preparatory processes
Preparatory processes · 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 | C08G69/16 |
| Official title | Preparatory processes |
| Display label | Preparatory processes |
| Total patents | 145 |
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 | 5 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 16 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 24 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder
US-10836117-B2 · Nov 17, 2020 · US
Method of manufacture of electrical wire and cable having a reduced coefficient of friction and required pulling force
US-10777338-B1 · Sep 15, 2020 · US
Polyamides, polyureas, and polyphosphoramides as electrolytes for lithium ion batteries
US-2020283631-A1 · Sep 10, 2020 · US
Polyamides, and methods of producing thereof
US-2020087457-A1 · Mar 19, 2020 · US
Process and device for producing polyamides, with optimized flow guidance
US-10584204-B2 · Mar 10, 2020 · US
Bioconversion process for producing nylon-7, nylon-7,7 and polyesters
US-10577634-B2 · Mar 3, 2020 · US
Process and formulation for producing a polyamide having low caprolactam concentration and specific relative viscosity
US-2020062958-A1 · Feb 27, 2020 · US
Solar production of nylon polymers and precursors for nylon polymer production
US-2020048415-A1 · Feb 13, 2020 · US
Method of producing polyamide fine particles, and polyamide fine particles
US-2020048413-A1 · Feb 13, 2020 · US
Process for producing monomer compositions and use of these for producing a polyamide molding
US-10538624-B2 · Jan 21, 2020 · US
Polyamide particles and method for producing polyamide particles
US-2019375893-A1 · Dec 12, 2019 · US
Method for fabrication of high dispersion polymer nanocomposites
US-10494491-B2 · Dec 3, 2019 · US
Powder compositions and methods of manufacturing articles therefrom
US-10450414-B2 · Oct 22, 2019 · US
Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing adipate, 6-aminocaproate, hexamethylenediamine or caprolactam related thereto
US-2019300919-A1 · Oct 3, 2019 · US
Polyamide resin and molded article containing same
US-10428180-B2 · Oct 1, 2019 · US
Method of manufacture of electrical wire and cable having a reduced coefficient of friction and required pulling force
US-10418156-B1 · Sep 17, 2019 · US
Process for the Preparation of a Reinforced Polyamide by Extrusion
US-2019202102-A1 · Jul 4, 2019 · US
Process for preparing polymers from monomers comprising laurolactam
US-2019177478-A1 · Jun 13, 2019 · US
Method for preparing biobased nylon: polylactam
US-10308764-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G69/16?
- CPC C08G69/16 is the Cooperative Patent Classification code for “Preparatory processes.”
- How many patents are filed under CPC C08G69/16 (Preparatory processes)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC C08G69/16 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).