Precoated aluminum material and aluminum composite material
US-2021324225-A1 · Oct 21, 2021 · US
Polysulfides
Polysulfides · 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 | C09D181/04 |
| Official title | Polysulfides |
| Display label | Polysulfides |
| Total patents | 87 |
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 | 13 |
| 2016 | 10 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Matrices and sealants which are based on sulfur-containing polymers and which comprise a photoinitiator, curing and coating methods, and use of said matrices and sealants
US-11124674-B2 · Sep 21, 2021 · US
Aqueous semi-finished and primary non-stick coating compositions comprising aromatic polymers
US-11059981-B2 · Jul 13, 2021 · US
Systems and methods of forming a fluid barrier
US-2021170445-A1 · Jun 10, 2021 · US
Coating compositions, elastic barrier coatings formed therefrom, and methods of applying such coatings
US-10865326-B2 · Dec 15, 2020 · US
Core-shell particles, compositions incorporating the core-shell particles and methods of making the same
US-10858497-B2 · Dec 8, 2020 · US
Elastic gas barrier coating compositions
US-10752806-B2 · Aug 25, 2020 · US
Fluorinated networks for anti-fouling surfaces
US-10745586-B2 · Aug 18, 2020 · US
Composition and coating film
US-2020056065-A1 · Feb 20, 2020 · US
Aqueous semi-finished and primary non-stick coating compositions comprising heterocyclic polymers
US-10465076-B2 · Nov 5, 2019 · US
Temporary protective lacquer optical element
US-2019330480-A1 · Oct 31, 2019 · US
Matrices and sealants which are based on sulfur-containing polymers and which comprise a photoinitiator, curing and coating methods, and use of said matrices and sealants
US-2019300747-A1 · Oct 3, 2019 · US
Downhole tools having superhydrophobic surfaces
US-10392908-B2 · Aug 27, 2019 · US
Matrices and sealants which are based on sulfur-containing polymers and which comprise a photoinitiator, curing and coating methods, and use of said matrices and sealants
US-10370562-B2 · Aug 6, 2019 · US
Coating compositions, elastic barrier coatings formed therefrom, and methods of applying such coatings
US-2019085200-A1 · Mar 21, 2019 · US
Fluorinated networks for anti-fouling surfaces
US-2019048226-A1 · Feb 14, 2019 · US
Methods of mercaptanizing unsaturated compounds and compositions produced therefrom
US-10184055-B2 · Jan 22, 2019 · US
Ionic liquid catalysts in sulfur-containing polymer compositions
US-10035926-B2 · Jul 31, 2018 · US
Corona-resistant resin composition, method for developing corona resistance of resin composition, and corona-resistant member
US-10017643-B2 · Jul 10, 2018 · US
Methods of Mercaptanizing Unsaturated Compounds and Compositions Produced Therefrom
US-2018187030-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D181/04?
- CPC C09D181/04 is the Cooperative Patent Classification code for “Polysulfides.”
- How many patents are filed under CPC C09D181/04 (Polysulfides)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C09D181/04 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).