Borate and silicoborate optical glasses with high refractive index and low liquidus temperature
US-12577146-B2 · Mar 17, 2026 · US
containing lead
containing lead · 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 | C03C3/142 |
| Official title | {containing lead} |
| Display label | containing lead |
| Total patents | 31 |
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 | 1 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass coating composition, manufacturing method for coated glass using the glass coating composition, and cooking apparatus using the coated glass
US-12246984-B2 · Mar 11, 2025 · US
Powder
US-2024343636-A1 · Oct 17, 2024 · US
Near-infrared absorbing glass and near-infrared cut filter
US-2024116802-A1 · Apr 11, 2024 · US
Borate and silicoborate optical glasses with high refractive index and low liquidus temperature
US-2023073656-A1 · Mar 9, 2023 · US
Glass coating composition, manufacturing method for coated glass using the glass coating composition, and cooking apparatus using the coated glass
US-2021230053-A1 · Jul 29, 2021 · US
Thick-film pastes containing lead- and tellurium-oxides, and their use in the manufacture of semiconductor devices
US-11043605-B2 · Jun 22, 2021 · US
Conductive paste composition and semiconductor devices made therewith
US-10741300-B2 · Aug 11, 2020 · US
Composition for forming solar cell electrode and electrode prepared using the same
US-10570054-B2 · Feb 25, 2020 · US
Thick-film pastes containing lead-tellurium-boron-oxides, and their use in the manufacture of semiconductor devices
US-10559703-B2 · Feb 11, 2020 · US
Thick-film pastes containing lead-tellurium-lithium- oxides, and their use in the manufacture of semiconductor devices
US-2020013910-A1 · Jan 9, 2020 · US
Thick-film pastes containing lead-tellurium-lithium-oxides, and their use in the manufacture of semiconductor devices
US-10468542-B2 · Nov 5, 2019 · US
Method for producing hermetic package, and hermetic package
US-2019296194-A1 · Sep 26, 2019 · US
Composition for forming solar cell electrode and electrode prepared using the same
US-10315950-B2 · Jun 11, 2019 · US
Composition for forming solar cell electrode and electrode prepared using the same
US-2019010081-A1 · Jan 10, 2019 · US
Glass powder blend, glass powder paste and photoelectric package
US-10177338-B2 · Jan 8, 2019 · US
Silver conductive paste composition
US-2018346371-A1 · Dec 6, 2018 · US
Thick-film pastes containing lead- and tellurium-oxides, and their use in the manufacture of semiconductor devices
US-10069020-B2 · Sep 4, 2018 · US
Thick-film pastes containing lead- and tellurium-oxides, and their use in the manufacture of semiconductor devices
US-2018226522-A1 · Aug 9, 2018 · US
Conductive paste composition and semiconductor devices made therewith
US-2018102198-A1 · Apr 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C3/142?
- CPC C03C3/142 is the Cooperative Patent Classification code for “containing lead.”
- How many patents are filed under CPC C03C3/142 (containing lead)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C03C3/142 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).