Composition and method for reducing aldehyde content in polyurethane foams
US-2019300706-A1 · Oct 3, 2019 · US
Polyamines
Polyamines · 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 | C08J2479/02 |
| Official title | Polyamines |
| Display label | Polyamines |
| Total patents | 200 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 17 |
| 2019 | 14 |
| 2020 | 25 |
| 2021 | 21 |
| 2022 | 31 |
| 2023 | 20 |
| 2024 | 24 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing polymer films with gas-barrier properties
US-2019275560-A1 · Sep 12, 2019 · US
Flame retardant nanocoated substrate
US-10343185-B2 · Jul 9, 2019 · US
Biocompatible phase invertible proteinaceous compositions and methods for making and using the same
US-10328176-B2 · Jun 25, 2019 · US
Surface modification method based on polymerization and cross-linking solidification of dopamine and/or derivatives thereof
US-2019177570-A1 · Jun 13, 2019 · US
Methods and systems for increasing surface smoothness of three-dimensional printed article
US-10220409-B2 · Mar 5, 2019 · US
Binder, electrode and lithium battery including the same, and method of preparing the binder
US-2019067699-A1 · Feb 28, 2019 · US
Multilayer barrier films
US-2019055370-A1 · Feb 21, 2019 · US
Composite plastic part with improved adhesion between the plastic components contained in the composite plastic part
US-10202498-B2 · Feb 12, 2019 · US
Polyurethane foam and polyol composition for production of polyurethane
US-2019040254-A1 · Feb 7, 2019 · US
Inner liner barrier from multilayer thin film
US-10195642-B2 · Feb 5, 2019 · US
Antifouling film
US-2019001612-A1 · Jan 3, 2019 · US
Three-layer self-healing flexible strain sensor and preparation method thereof
US-2018340848-A1 · Nov 29, 2018 · US
Biocompatible polyisobutylene-fiber composite materials and methods
US-2018303972-A1 · Oct 25, 2018 · US
Urea composition and method for producing same
US-10106469-B2 · Oct 23, 2018 · US
Cellulose nanocrystal (CNC) films and conductive CNC-based polymer films produced using electrochemical techniques
US-10081880-B2 · Sep 25, 2018 · US
Compositions containing polyanion, ethoxylated cationic polymer and phyllosilicates for improved oxygen barrier coatings
US-2018201803-A1 · Jul 19, 2018 · US
Photochemical cross-linkable polymers, methods of making photochemical cross-linkable polymers, methods of using photochemical cross-linkable polymers, and methods of making articles containing photochemical cross-linkable polymers
US-10010074-B2 · Jul 3, 2018 · US
Shielding coating for selective metallization
US-9970114-B2 · May 15, 2018 · US
Gas barrier laminate
US-2018126696-A1 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2479/02?
- CPC C08J2479/02 is the Cooperative Patent Classification code for “Polyamines.”
- How many patents are filed under CPC C08J2479/02 (Polyamines)?
- Our database includes 200 publications tagged with this CPC code.
- Is patent activity under CPC C08J2479/02 growing?
- Publication counts under this code: 24 in 2024 vs 15 in 2025 (latest complete years).