Ink jet recording method and ink jet recording apparatus
US-2024360332-A1 · Oct 31, 2024 · US
using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids
using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41M3/001 |
| Official title | {using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids} |
| Display label | using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 18 |
| 2025 | 17 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A Method of Printing a Component in an Electrochemical Cell
US-2024258577-A1 · Aug 1, 2024 · US
Tamper-proof medium for thermal printing
US-11524514-B2 · Dec 13, 2022 · US
Ink composition, recording medium, ink-jet recording apparatus, ink-jet recording method, and ink container
US-2022389252-A1 · Dec 8, 2022 · US
Ink composition, recording medium, ink-jet recording apparatus, ink-jet recording method, and ink container
US-2022389253-A1 · Dec 8, 2022 · US
Marking system for moldable substrates
US-2022314675-A1 · Oct 6, 2022 · US
Marking system for moldable substrates
US-11396197-B2 · Jul 26, 2022 · US
Knit textiles and uppers, and processes for making the same
US-2022127767-A1 · Apr 28, 2022 · US
Knit textiles and uppers, and processes for making the same
US-2022127766-A1 · Apr 28, 2022 · US
Writing and/or drawing system comprising ph sensitive dye and method thereof
US-2022064469-A1 · Mar 3, 2022 · US
Knit textiles and uppers, and processes for making the same
US-11261549-B2 · Mar 1, 2022 · US
Package for indicating heat-seal condition
US-11247410-B2 · Feb 15, 2022 · US
Color development writing compositions and writing instruments
US-11192395-B2 · Dec 7, 2021 · US
Textiles and articles, and processes for making the same
US-11155944-B2 · Oct 26, 2021 · US
Ink jet recording method
US-11104820-B2 · Aug 31, 2021 · US
Method of forming a structure, structure forming apparatus, computer readable storage medium and processing medium for forming a structure
US-11090965-B2 · Aug 17, 2021 · US
Color changing expiration indicator
US-2021187989-A1 · Jun 24, 2021 · US
Color changing expiration indicator
US-2021187988-A1 · Jun 24, 2021 · US
Thermochromic pigment
US-2021148768-A1 · May 20, 2021 · US
Apparatus for coating a surface with a transferable layer of thermoplastic particles, and related methods
US-10960432-B2 · Mar 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41M3/001?
- CPC B41M3/001 is the Cooperative Patent Classification code for “using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids.”
- How many patents are filed under CPC B41M3/001 (using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC B41M3/001 growing?
- Publication counts under this code: 18 in 2024 vs 17 in 2025 (latest complete years).