Producing Passive Radiative Cooling Panels And Modules
US-2016362807-A1 · Dec 15, 2016 · US
using hypophosphites
using hypophosphites · 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 | C23C18/36 |
| Official title | using hypophosphites |
| Display label | using hypophosphites |
| Total patents | 258 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 43 |
| 2017 | 27 |
| 2018 | 25 |
| 2019 | 25 |
| 2020 | 23 |
| 2021 | 20 |
| 2022 | 23 |
| 2023 | 20 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Silver-containing compositions containing reactive polymers
US-9519219-B2 · Dec 13, 2016 · US
Methods for using silver-containing polymeric complexes
US-9512243-B2 · Dec 6, 2016 · US
Method for metalizing polymer substrate and polymer article prepared thereof
US-2016333481-A1 · Nov 17, 2016 · US
Method for metalizing polymer substrate and polymer article prepared thereof
US-2016326652-A1 · Nov 10, 2016 · US
Method for metalizing polymer substrate and polymer article prepared thereof
US-2016326653-A1 · Nov 10, 2016 · US
Graphite particle-supported Pt-shell/Ni-core nanoparticle electrocatalyst for oxygen reduction reaction
US-9472811-B2 · Oct 18, 2016 · US
Articles with silver-containing polymeric complexes
US-2016274461-A1 · Sep 22, 2016 · US
Anode active material for lithium secondary batteries
US-2016276654-A1 · Sep 22, 2016 · US
Silver-containing compositions containing reactive polymers
US-2016274460-A1 · Sep 22, 2016 · US
Methods for using silver-containing polymeric complexes
US-2016272734-A1 · Sep 22, 2016 · US
Two-step deposition with improved selectivity
US-2016273113-A1 · Sep 22, 2016 · US
Forming articles and devices with carbon-coated metal particles
US-9447501-B2 · Sep 20, 2016 · US
Method of electroless gold plating
US-2016265115-A1 · Sep 15, 2016 · US
Gold plate coated material
US-2016265114-A1 · Sep 15, 2016 · US
Multi-Layer Coating System for Corrosion Protection of Magnesium Cylinder Block Against Coolant
US-2016268610-A1 · Sep 15, 2016 · US
Method for activating a copper surface for electroless plating
US-9441299-B2 · Sep 13, 2016 · US
Alkaline pretreatment for electroplating
US-9435049-B2 · Sep 6, 2016 · US
Electrically-conductive proppant and methods for making and using same
US-9434875-B1 · Sep 6, 2016 · US
Method of manufacturing an electrode for an energy storage device
US-2016254103-A1 · Sep 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C18/36?
- CPC C23C18/36 is the Cooperative Patent Classification code for “using hypophosphites.”
- How many patents are filed under CPC C23C18/36 (using hypophosphites)?
- Our database includes 258 publications tagged with this CPC code.
- Is patent activity under CPC C23C18/36 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).