Optical product
US-2026085194-A1 · Mar 26, 2026 · US
Nitriles; Amides; Imides
Nitriles; Amides; Imides · 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 | C08F220/70 |
| Official title | Nitriles; Amides; Imides |
| Display label | Nitriles; Amides; Imides |
| Total patents | 30 |
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 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acrylonitrile-based cation exchangers
US-12359031-B2 · Jul 15, 2025 · US
Low-molecular-weight organic resin and aqueous dispersion comprising same, for a one-component crosslinkable coating composition
US-2024110053-A1 · Apr 4, 2024 · US
Resin for nanoimprinting, laminate containing resin for nanoimprinting, printed board containing resin for nanoimprinting, and method for producing nanoimprint substrate
US-11492432-B2 · Nov 8, 2022 · US
Acrylonitrile-based cation exchangers
US-2022220266-A1 · Jul 14, 2022 · US
Modified copolymer, method for preparing the same, and method for preparing paste
US-10954329-B2 · Mar 23, 2021 · US
Method for producing ionic liquid-containing structure, and ionic liquid-containing structure
US-2020362140-A1 · Nov 19, 2020 · US
UV-absorbing vinylic monomers and uses thereof
US-10823983-B2 · Nov 3, 2020 · US
Random copolymer and preparation method thereof, and drilling fluid
US-10774257-B2 · Sep 15, 2020 · US
Resin for nanoimprinting, laminate containing resin for nanoimprinting, printed board containing resin for nanoimprinting, and method for producing nanoimprint substrate
US-2020223125-A1 · Jul 16, 2020 · US
Modified copolymer, method for preparing the same, and method for preparing paste
US-2020095357-A1 · Mar 26, 2020 · US
Adhesive film and adhesive substrate
US-2020010735-A1 · Jan 9, 2020 · US
Polymer substrates formed from carboxy functional acrylamide
US-2019390018-A1 · Dec 26, 2019 · US
Solid polymer electrolyte and lithium secondary battery comprising same
US-10511056-B2 · Dec 17, 2019 · US
Method of preparing ASA graft copolymer, method of preparing thermoplastic ASA resin composition including the same, and method of preparing ASA molded part
US-10487204-B2 · Nov 26, 2019 · US
Flexible display device and producing method of the same
US-10388877-B2 · Aug 20, 2019 · US
Uv-absorbing vinylic monomers and uses thereof
US-2019179170-A1 · Jun 13, 2019 · US
UV-absorbing vinylic monomers and uses thereof
US-10254567-B2 · Apr 9, 2019 · US
Random Copolymer and Preparation Method Thereof, and Drilling Fluid
US-2019092997-A1 · Mar 28, 2019 · US
Solid polymer electrolyte and lithium secondary battery comprising same
US-2019067739-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F220/70?
- CPC C08F220/70 is the Cooperative Patent Classification code for “Nitriles; Amides; Imides.”
- How many patents are filed under CPC C08F220/70 (Nitriles; Amides; Imides)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C08F220/70 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).