Method for producing reflective layer, and reflective layer
US-11287555-B2 · Mar 29, 2022 · US
the specific unit being a perfluoro chain used as an end group
the specific unit being a perfluoro chain used as an end group · 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 | C09K2019/044 |
| Official title | {the specific unit being a perfluoro chain used as an end group} |
| Display label | the specific unit being a perfluoro chain used as an end group |
| Total patents | 32 |
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 | 3 |
| 2016 | 9 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Additives for liquid-crystal mixtures
US-2021261865-A1 · Aug 26, 2021 · US
Liquid crystal composition and display device thereof
US-10920146-B2 · Feb 16, 2021 · US
Liquid crystal medium containing polymerisable compounds
US-10894918-B2 · Jan 19, 2021 · US
Polymerizable polar compound, liquid crystal composition and liquid crystal display element
US-10759998-B2 · Sep 1, 2020 · US
Method for producing reflective layer, and reflective layer
US-2020110202-A1 · Apr 9, 2020 · US
Liquid crystal medium containing polymerisable compounds
US-10590344-B2 · Mar 17, 2020 · US
Liquid crystal medium containing polymerisable compounds
US-10570335-B2 · Feb 25, 2020 · US
Polymerizable polar compound, liquid crystal composition and liquid crystal display element
US-2019390115-A1 · Dec 26, 2019 · US
Polymerizable compound, polymerizable composition, film, and half mirror for displaying projection image
US-10457628-B2 · Oct 29, 2019 · US
Method of producing liquid crystal display device and alignment film material
US-2019271867-A1 · Sep 5, 2019 · US
Liquid crystal medium containing polymerisable compounds
US-2018371319-A1 · Dec 27, 2018 · US
Liquid crystal composition and display device thereof
US-2018312757-A1 · Nov 1, 2018 · US
Liquid-crystalline medium and electro-optical liquid-crystal display
US-10106741-B2 · Oct 23, 2018 · US
Method of fabricating array of nanoparticle clusters using thermal transformation of sublimable liquid crystal film
US-10017393-B2 · Jul 10, 2018 · US
Liquid crystal medium containing polymerisable compounds
US-2018187080-A1 · Jul 5, 2018 · US
Polymerizable compound, polymer, polymerizable composition, film, and half mirror for displaying projection image
US-10012868-B2 · Jul 3, 2018 · US
Liquid crystal medium containing polymerisable compounds
US-2018179446-A1 · Jun 28, 2018 · US
Compound having perfluoroalkyl terminal group and CF2O bonding group, liquid crystal composition and liquid crystal display device
US-9546181-B2 · Jan 17, 2017 · US
Polymerizable compound, polymer, polymerizable composition, film, and half mirror for displaying projection image
US-2017009138-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K2019/044?
- CPC C09K2019/044 is the Cooperative Patent Classification code for “the specific unit being a perfluoro chain used as an end group.”
- How many patents are filed under CPC C09K2019/044 (the specific unit being a perfluoro chain used as an end group)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C09K2019/044 growing?
- Publication counts under this code: 3 in 2021 vs 1 in 2022 (latest complete years).