Bleaching agent, preparation and use of the same with polymerizable compositions for optical materials
US-12534548-B2 · Jan 27, 2026 · US
with alcohols containing three or more carbon atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F18/16 |
| Official title | with alcohols containing three or more carbon atoms |
| Display label | with alcohols containing three or more carbon atoms |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2022 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12534548-B2 · Jan 27, 2026 · US
US-2022403065-A1 · Dec 22, 2022 · US
US-10138311-B2 · Nov 27, 2018 · US
US-9957343-B2 · May 1, 2018 · US
US-2017291975-A1 · Oct 12, 2017 · US
US-2015152211-A1 · Jun 4, 2015 · US