Use of a coating on a chromium-free tinplate substrate
US-11613657-B2 · Mar 28, 2023 · US
This page is not indexed by search engines while we improve data quality.
of aldehydes with heterocyclic compounds
of aldehydes with heterocyclic 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 | C08L61/26 |
| Official title | of aldehydes with heterocyclic compounds |
| Display label | of aldehydes with heterocyclic compounds |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fibers made from soluble polymers
US-11479882-B2 · Oct 25, 2022 · US
Resin composition, prepreg, laminate, metal foil-clad laminate, printed wiring board, and multilayer printed wiring board
US-2020325292-A1 · Oct 15, 2020 · US
Fibers made from soluble polymers
US-2020240046-A1 · Jul 30, 2020 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-10647870-B2 · May 12, 2020 · US
Fibers made from soluble polymers
US-10640891-B2 · May 5, 2020 · US
Multilayer coating with a primer-surfacer of a nonaqueous coating material comprising at least two different polyesters
US-10421879-B2 · Sep 24, 2019 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-2019092962-A1 · Mar 28, 2019 · US
Modified amino resins
US-10179829-B2 · Jan 15, 2019 · US
Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
US-10174219-B2 · Jan 8, 2019 · US
Highly branched polymer and dispersant for carbon nanotubes
US-10138323-B2 · Nov 27, 2018 · US
Coating Method
US-2018117629-A1 · May 3, 2018 · US
Dispersions of cross-linked latex polymer particles and a curable amino resin
US-9518191-B2 · Dec 13, 2016 · US
Fibers made from soluble polymers
US-2016333501-A1 · Nov 17, 2016 · US
Fibers made from soluble polymers
US-9435056-B2 · Sep 6, 2016 · US
Multicoat Coating With A Primer-Surfacer Coat Of A Nonaqueous Coating Material Comprising At Least Two Different Polyesters
US-2016017176-A1 · Jan 21, 2016 · US
Hydroxyl functional oil polyol acrylic graft copolymers
US-9133292-B2 · Sep 15, 2015 · US