Hydroxyphenyl naphthotriazoles as polymerizable blockers of high energy light
US-10975040-B2 · Apr 13, 2021 · US
This page is not indexed by search engines while we improve data quality.
Naphthotriazoles
Naphthotriazoles · 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 | C07D249/22 |
| Official title | Naphthotriazoles |
| Display label | Naphthotriazoles |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultraviolet light absorbers
US-10619098-B2 · Apr 14, 2020 · US
Hydroxyphenyl naphthotriazoles as polymerizable blockers of high energy light
US-2020079743-A1 · Mar 12, 2020 · US
Hydroxyphenyl naphthotriazoles as polymerizable blockers of high energy light
US-10526296-B2 · Jan 7, 2020 · US
Hydroxyphenyl naphthotriazoles as polymerizable blockers of high energy light
US-2019002415-A1 · Jan 3, 2019 · US
Fluorescent organic light emitting elements having high efficiency
US-10135004-B2 · Nov 20, 2018 · US
Fluorescent organic light emitting elements having high efficiency
US-2018114925-A1 · Apr 26, 2018 · US
Fluorescent organic light emitting elements having high efficiency
US-9853224-B2 · Dec 26, 2017 · US
Ultraviolet light absorbers
US-2017275534-A1 · Sep 28, 2017 · US
Fluorescent Organic Light Emitting Elements Having High Efficiency
US-2017186976-A1 · Jun 29, 2017 · US
Pesticide compounds
US-9497970-B2 · Nov 22, 2016 · US
Pesticide Compounds
US-2016157491-A1 · Jun 9, 2016 · US