Thermal transfer recording medium
US-2018229523-A1 · Aug 16, 2018 · US
Homopolymers or copolymers of N-vinyl-pyrrolidones
Homopolymers or copolymers of N-vinyl-pyrrolidones · 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 | C09D139/06 |
| Official title | Homopolymers or copolymers of N-vinyl-pyrrolidones |
| Display label | Homopolymers or copolymers of N-vinyl-pyrrolidones |
| Total patents | 206 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 23 |
| 2017 | 21 |
| 2018 | 24 |
| 2019 | 16 |
| 2020 | 24 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 17 |
| 2024 | 11 |
| 2025 | 18 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conductive paste and method for producing conductive film using same
US-2017362455-A1 · Dec 21, 2017 · US
Method of enchancing adhesion of liquid toner printed on a substrate, and products therefrom
US-2017336725-A1 · Nov 23, 2017 · US
Coating compositions for forming toner receptive coatings
US-9821589-B2 · Nov 21, 2017 · US
Water Soluble Low Alpha Particle Emission Electrically-Conductive Coating
US-2017329020-A1 · Nov 16, 2017 · US
Anti-adherent composition
US-2017303535-A1 · Oct 26, 2017 · US
Hydrophilic coatings through in situ surface polymerization
US-2017290955-A1 · Oct 12, 2017 · US
Sacrificial coating for intermediate transfer member of an indirect printing apparatus
US-9783697-B2 · Oct 10, 2017 · US
Aqueous hydrophilic coating composition capable of forming coating film having excellent self-cleaning ability against stains adhered thereon, and surface-treated material having formed thereon coating film having excellent self-cleaning ability against stains adhered thereon
US-9752046-B2 · Sep 5, 2017 · US
Conductive paste and method for producing conductive film using same
US-9732236-B2 · Aug 15, 2017 · US
Film with low heat conductivity, reduced density and low solar absorption
US-2017210874-A1 · Jul 27, 2017 · US
Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof
US-2017162307-A1 · Jun 8, 2017 · US
System and method for synthesis of poss-starch derivatives as effective fillers for developing high performance composites
US-2017096535-A1 · Apr 6, 2017 · US
Sacrificial coating for intermediate transfer member of an indirect printing apparatus
US-2017081545-A1 · Mar 23, 2017 · US
Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and inkjet recording device
US-9597891-B2 · Mar 21, 2017 · US
Method for delivering aluminum into waterborne tint base or paint and refinish mixer system
US-2017066935-A1 · Mar 9, 2017 · US
Coating composition comprising autoxidisable component
US-9580620-B2 · Feb 28, 2017 · US
Ferromagnetic metal nanowire dispersion and method for manufacturing same
US-2017047150-A1 · Feb 16, 2017 · US
Method and system for langmuir-blodgett assembly
US-2017028433-A1 · Feb 2, 2017 · US
Ink composition for manufacturing light absorption layer including metal nano particles and method of manufacturing thin film using the same
US-9559243-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D139/06?
- CPC C09D139/06 is the Cooperative Patent Classification code for “Homopolymers or copolymers of N-vinyl-pyrrolidones.”
- How many patents are filed under CPC C09D139/06 (Homopolymers or copolymers of N-vinyl-pyrrolidones)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC C09D139/06 growing?
- Publication counts under this code: 11 in 2024 vs 18 in 2025 (latest complete years).