Glass composition for flat cross-section glass fibers, flat cross-section glass fibers and method for manufacturing flat cross-section glass fibers from glass material containing glass recycling material
US-2026062336-A1 · Mar 5, 2026 · US
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doped with boron and fluorine
doped with boron and fluorine · 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 | C03B2201/14 |
| Official title | doped with boron and fluorine |
| Display label | doped with boron and fluorine |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-core optical fiber with reduced bubble formation
US-11385401-B2 · Jul 12, 2022 · US
Method for manufacturing multicore optical fiber
US-11059737-B2 · Jul 13, 2021 · US
Multi-core optical fiber with reduced bubble formation
US-2021173142-A1 · Jun 10, 2021 · US
Halogen-doped silica for optical fiber preforms
US-10947149-B2 · Mar 16, 2021 · US
Method for manufacturing multicore optical fiber
US-2019300421-A1 · Oct 3, 2019 · US
Halogen-doped silica for optical fiber preforms
US-2019127264-A1 · May 2, 2019 · US
Doped silica-titania glass having low expansivity and methods of making the same
US-10017413-B2 · Jul 10, 2018 · US
Doped ultra-low expansion glass and methods for making the same
US-9611169-B2 · Apr 4, 2017 · US
Doped ultra-low expansion glass and methods for making the same
US-2016168010-A1 · Jun 16, 2016 · US
Doped silica-titania glass having low expansivity and methods of making the same
US-2016145147-A1 · May 26, 2016 · US