Durable, broadband-transparent polyoxalamide polymers and methods of making and using the same
US-2024400824-A1 · Dec 5, 2024 · US
Sulfur-, selenium- or tellurium-containing compounds
Sulfur-, selenium- or tellurium-containing compounds · 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 | C08K3/30 |
| Official title | Sulfur-, selenium- or tellurium-containing compounds |
| Display label | Sulfur-, selenium- or tellurium-containing compounds |
| Total patents | 1,260 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 64 |
| 2016 | 74 |
| 2017 | 84 |
| 2018 | 115 |
| 2019 | 132 |
| 2020 | 144 |
| 2021 | 136 |
| 2022 | 131 |
| 2023 | 135 |
| 2024 | 126 |
| 2025 | 96 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rapid thickening of aminosilicones to promote emulsion stability and adhesion of UV-curable quantum dot enhancement film emulsions
US-12122948-B2 · Oct 22, 2024 · US
Organosilyl polysulfides, and rubber mixtures containing same
US-2024239990-A1 · Jul 18, 2024 · US
Sliding member and sliding body
US-2024101730-A1 · Mar 28, 2024 · US
Method for preparing fluorescent nanomaterial-polymer composite, and light emitting device
US-11873437-B2 · Jan 16, 2024 · US
Uv-resistant superhydrophobic coating compositions
US-2015368496-A1 · Dec 24, 2015 · US
Friction material
US-2015369320-A1 · Dec 24, 2015 · US
Optical lens
US-2015362626-A1 · Dec 17, 2015 · US
Polyester compositions with improved crystallization rate
US-2015353724-A1 · Dec 10, 2015 · US
Composite film and fabrication method thereof, photoelectric element and photoelectric apparatus
US-2015329774-A1 · Nov 19, 2015 · US
Polyester compositions
US-2015314495-A1 · Nov 5, 2015 · US
Bioabsorbable polymers
US-9173981-B2 · Nov 3, 2015 · US
Single-walled metal oxide and metal sulphide nanotubes/polymer composites
US-9174842-B2 · Nov 3, 2015 · US
Thermally resistant crosslinked wire
US-2015310962-A1 · Oct 29, 2015 · US
Conductive composition and the method for producing the same, color filter and the method for producing the same
US-2015299476-A1 · Oct 22, 2015 · US
Compositions and methods for water-resistant gypsum fiber products
US-2015291844-A1 · Oct 15, 2015 · US
Polyvinyl alcohol fibers and films with mineral fillers and small cellulose particles
US-2015291786-A1 · Oct 15, 2015 · US
Fluorine-modified epoxy acrylic resin, uv-curable varnish and method for preparing the same, and method for coating the varnish on a substrate
US-2015291835-A1 · Oct 15, 2015 · US
Coating Compositions and Articles Made Therefrom
US-2015267076-A1 · Sep 24, 2015 · US
Method for producing vinyl amine unit-containing polymer solution
US-2015259508-A1 · Sep 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K3/30?
- CPC C08K3/30 is the Cooperative Patent Classification code for “Sulfur-, selenium- or tellurium-containing compounds.”
- How many patents are filed under CPC C08K3/30 (Sulfur-, selenium- or tellurium-containing compounds)?
- Our database includes 1,260 publications tagged with this CPC code.
- Is patent activity under CPC C08K3/30 growing?
- Publication counts under this code: 126 in 2024 vs 96 in 2025 (latest complete years).