Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9839579-B2 · Dec 12, 2017 · US
for chemical resistant glass
for chemical resistant glass · 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 | C03C4/20 |
| Official title | for chemical resistant glass |
| Display label | for chemical resistant glass |
| Total patents | 304 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 22 |
| 2017 | 38 |
| 2018 | 32 |
| 2019 | 40 |
| 2020 | 37 |
| 2021 | 18 |
| 2022 | 23 |
| 2023 | 31 |
| 2024 | 14 |
| 2025 | 19 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alkaline earth alumino-silicate glass compositons with improved chemical and mechanical durability
US-2017327407-A1 · Nov 16, 2017 · US
Feed-through
US-9799860-B2 · Oct 24, 2017 · US
Borosilicate glass for pharmaceutical container and glass tube for pharmaceutical container
US-2017283302-A1 · Oct 5, 2017 · US
Aluminosilicate Glasses
US-2017247285-A1 · Aug 31, 2017 · US
Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9717648-B2 · Aug 1, 2017 · US
Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9717649-B2 · Aug 1, 2017 · US
Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9707155-B2 · Jul 18, 2017 · US
Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9707153-B2 · Jul 18, 2017 · US
Bio-soluble inorganic fiber
US-2017197872-A1 · Jul 13, 2017 · US
Delamination resistant pharmaceutical glass containers containing active pharmaceutical ingredients
US-9700485-B2 · Jul 11, 2017 · US
Glass compositions with improved chemical and mechanical durability
US-2017174554-A1 · Jun 22, 2017 · US
Borosilicate glass having improved hydrolytic resistance for preferred use in the pharmaceutical sector
US-9643882-B2 · May 9, 2017 · US
Methods to make glass compositions and fibers made therefrom
US-2017121218-A1 · May 4, 2017 · US
Methods to Make Glass Compositions and Fibers Made Therefrom
US-2017113964-A1 · Apr 27, 2017 · US
Chemically resistant glass
US-2017081239-A1 · Mar 23, 2017 · US
Glass compositions and fibers made therefrom
US-9593038-B2 · Mar 14, 2017 · US
Partially crystallised glass plate
US-2017050880-A1 · Feb 23, 2017 · US
Low-boron zirconium-free neutral glass having an optimized alkali metal ratio
US-2017029319-A1 · Feb 2, 2017 · US
White glass
US-9546104-B2 · Jan 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C4/20?
- CPC C03C4/20 is the Cooperative Patent Classification code for “for chemical resistant glass.”
- How many patents are filed under CPC C03C4/20 (for chemical resistant glass)?
- Our database includes 304 publications tagged with this CPC code.
- Is patent activity under CPC C03C4/20 growing?
- Publication counts under this code: 14 in 2024 vs 19 in 2025 (latest complete years).