High-strength single-crystal like nanotwinned nickel coatings and methods of making the same
US-11492725-B2 · Nov 8, 2022 · US
Heterocyclic compounds
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 | C25D3/18 |
| Official title | Heterocyclic compounds |
| Display label | Heterocyclic compounds |
| Total patents | 76 |
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 | 8 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Galvanic nickel or nickel alloy electroplating bath for depositing a semi-bright nickel or semi-bright nickel alloy coating
US-11408085-B2 · Aug 9, 2022 · US
Deposition method of Ni—P—B system electroplating film, the film, and slide member comprising the film
US-11193215-B2 · Dec 7, 2021 · US
Cobalt Filling of Interconnects
US-2021332491-A1 · Oct 28, 2021 · US
Method for plating printed circuit board and printed circuit board using the same
US-2021329794-A1 · Oct 21, 2021 · US
Enhanced plating bath and additive chemistries for cobalt plating
US-11118278-B2 · Sep 14, 2021 · US
Method for plating printed circuit board and printed circuit board using the same
US-11096291-B2 · Aug 17, 2021 · US
Bath and method for filling a vertical interconnect access or trench of a work piece with nickel or a nickel alloy
US-11091849-B2 · Aug 17, 2021 · US
High-strength single-crystal like nanotwinned nickel coatings and methods of making the same
US-2021189581-A1 · Jun 24, 2021 · US
Cobalt filling of interconnects
US-11035048-B2 · Jun 15, 2021 · US
Composition for cobalt or cobalt alloy electroplating
US-2021147994-A1 · May 20, 2021 · US
Deposition method of ni-p-b system electroplating film, the film, and slide member comprising the film
US-2021054517-A1 · Feb 25, 2021 · US
Composition for cobalt plating comprising additive for void-free submicron feature filling
US-2021040635-A1 · Feb 11, 2021 · US
Method for plating printed circuit board and printed circuit board using the same
US-2020413548-A1 · Dec 31, 2020 · US
Composition for cobalt electroplating comprising leveling agent
US-2020347503-A1 · Nov 5, 2020 · US
Nickel plated coating and method of manufacturing the same
US-10753008-B2 · Aug 25, 2020 · US
Nickel electroplating compositions with cationic polymers and methods of electroplating nickel
US-10718059-B2 · Jul 21, 2020 · US
Nickel electroplating compositions with copolymers of arginine and bisepoxides and methods of electroplating nickel
US-10711360-B2 · Jul 14, 2020 · US
Production of nanoporous films
US-2020208287-A1 · Jul 2, 2020 · US
A bath and method for filling a vertical interconnect access or trench of a work piece with nickel or a nickel alloy
US-2020199766-A1 · Jun 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D3/18?
- CPC C25D3/18 is the Cooperative Patent Classification code for “Heterocyclic compounds.”
- How many patents are filed under CPC C25D3/18 (Heterocyclic compounds)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC C25D3/18 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).