Plasma deposition process for producing an optical preform with a cladding glass layer of fluorine-doped quartz glass
US-9487429-B2 · Nov 8, 2016 · US
doped with fluorine (C03B2201/14 takes precedence)
doped with fluorine (C03B2201/14 takes precedence) · 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 | C03B2201/12 |
| Official title | doped with fluorine (C03B2201/14 takes precedence) |
| Display label | doped with fluorine (C03B2201/14 takes precedence) |
| Total patents | 318 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 39 |
| 2017 | 44 |
| 2018 | 21 |
| 2019 | 24 |
| 2020 | 23 |
| 2021 | 24 |
| 2022 | 28 |
| 2023 | 40 |
| 2024 | 17 |
| 2025 | 18 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mirror blank for euv lithography without expansion under euv radiation
US-2016320715-A1 · Nov 3, 2016 · US
Optical fiber preform
US-2016318793-A1 · Nov 3, 2016 · US
Multicore optical fiber and optical module
US-9482814-B2 · Nov 1, 2016 · US
Method of making a multimode optical fiber
US-9481599-B2 · Nov 1, 2016 · US
Low loss optical fibers with fluorine and chlorine codoped core regions
US-2016304392-A1 · Oct 20, 2016 · US
PRODUCTION METHOD OF OPTICAL FlBER PREFORM AND PRODUCTION METHOD OF OPTICAL FIBER
US-2016304387-A1 · Oct 20, 2016 · US
Multimode optical fibre
US-9459400-B2 · Oct 4, 2016 · US
Ultralow expansion titania-silica glass
US-2016236965-A1 · Aug 18, 2016 · US
Hydrogen-supported fluorination of soot bodies
US-9416044-B2 · Aug 16, 2016 · US
Method for producing silica glass preform for optical fiber
US-2016214884-A1 · Jul 28, 2016 · US
Doped ultra-low expansion glass and methods for making the same
US-2016168010-A1 · Jun 16, 2016 · US
Method of producing preform for coupled multi-core fiber, method of producing coupled multi-core fiber, and coupled multi-core fiber
US-9366807-B2 · Jun 14, 2016 · US
Method of making updoped cladding by using silicon tertrachloride as the dopant
US-2016152510-A1 · Jun 2, 2016 · US
Optical fiber
US-2016147010-A1 · May 26, 2016 · US
Doped silica-titania glass having low expansivity and methods of making the same
US-2016145147-A1 · May 26, 2016 · US
Optical fiber preform manufacturing method, optical fiber preform, and optical fiber
US-9340444-B2 · May 17, 2016 · US
Low Loss Optical Fiber And Method Of Making The Same
US-2016109651-A1 · Apr 21, 2016 · US
Method for producing a blank of fluorine-doped and titanium-doped glass having a high silicic-acid content and a blank produced according to the method
US-2016085145-A1 · Mar 24, 2016 · US
Method of making updoped cladding by using silicon tertrachloride as the dopant
US-9290405-B2 · Mar 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B2201/12?
- CPC C03B2201/12 is the Cooperative Patent Classification code for “doped with fluorine (C03B2201/14 takes precedence).”
- How many patents are filed under CPC C03B2201/12 (doped with fluorine (C03B2201/14 takes precedence))?
- Our database includes 318 publications tagged with this CPC code.
- Is patent activity under CPC C03B2201/12 growing?
- Publication counts under this code: 17 in 2024 vs 18 in 2025 (latest complete years).