Glass powder and chemical polymerization initiator
US-12460021-B2 · Nov 4, 2025 · US
together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof
together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof · 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 | C08F4/58 |
| Official title | together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof |
| Display label | together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing polypropylene for separator of secondary battery having excellent mechanical and thermal properties
US-2025192361-A1 · Jun 12, 2025 · US
Quaternary ammonium salt, organic structure-directing agent, method for producing quaternary ammonium salt, con-type zeolite, method for producing con-type zeolite, catalyst, and method for producing lower olefin
US-2025115685-A1 · Apr 10, 2025 · US
Catalyst system
US-12186738-B2 · Jan 7, 2025 · US
End group functionalization agents for polydiene
US-11795243-B2 · Oct 24, 2023 · US
Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes
US-2023287152-A1 · Sep 14, 2023 · US
Method for producing vinyl-ether-group-containing (meth)acrylic acid ester polymer, vinyl-ether-group-containing (meth)acrylic acid ester polymer, and polymer composition
US-11643490-B2 · May 9, 2023 · US
Metallocene compound, and preparation method therefor and application thereof
US-2022389133-A1 · Dec 8, 2022 · US
Functional initiator for anionic polymerization
US-11512161-B2 · Nov 29, 2022 · US
Glass powder and chemical polymerization initiator
US-2022332857-A1 · Oct 20, 2022 · US
Process for producing propylene copolymers with low VOC content
US-11421055-B2 · Aug 23, 2022 · US
Catalyst system
US-2022008896-A1 · Jan 13, 2022 · US
Method for producing vinyl-ether-group-containing (meth)acrylic acid ester polymer, vinyl-ether-group-containing (meth)acrylic acid ester polymer, and polymer composition
US-2021246245-A1 · Aug 12, 2021 · US
End group functionalization agents for polydiene
US-2021171672-A1 · Jun 10, 2021 · US
Functional Initiator For Anionic Polymerization
US-2021115176-A1 · Apr 22, 2021 · US
End group functionalization agents for polydiene
US-10919989-B2 · Feb 16, 2021 · US
Functional initiator for anionic polymerization
US-10815328-B2 · Oct 27, 2020 · US
Aminosilane initiators and functionalized polymers prepared therefrom
US-10745497-B2 · Aug 18, 2020 · US
Cyclic organosilicon compounds as electron donors in Zeigler-Natta catalyst systems for producing propylene polymer having high melt-flowability
US-10654947-B2 · May 19, 2020 · US
Process for producing propylene copolymers with low voc content
US-2020071435-A1 · Mar 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/58?
- CPC C08F4/58 is the Cooperative Patent Classification code for “together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof.”
- How many patents are filed under CPC C08F4/58 (together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/58 growing?
- Publication counts under this code: 3 in 2023 vs 4 in 2025 (latest complete years).