Enhanced oil recovery using mobility control crosslinked polymers
US-10435496-B2 · Oct 8, 2019 · US
Condensation with aldehydes or ketones
Condensation with aldehydes or ketones · 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 | C08F8/28 |
| Official title | Condensation with aldehydes or ketones |
| Display label | Condensation with aldehydes or ketones |
| Total patents | 208 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 18 |
| 2017 | 16 |
| 2018 | 16 |
| 2019 | 19 |
| 2020 | 24 |
| 2021 | 18 |
| 2022 | 12 |
| 2023 | 24 |
| 2024 | 27 |
| 2025 | 23 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions
US-2019177481-A1 · Jun 13, 2019 · US
Polyvinyl acetal with reduced flowability
US-2019112397-A1 · Apr 18, 2019 · US
Acetalized polyvinyl alcohol barrier coatings
US-10189919-B2 · Jan 29, 2019 · US
Functionalized polydicyclopentadiene polymer
US-2018371128-A1 · Dec 27, 2018 · US
Aqueous synthesis and in-situ rapid screening of amphiphilic polymers
US-2018371138-A1 · Dec 27, 2018 · US
Cement admixture
US-2018362404-A1 · Dec 20, 2018 · US
Filtrate control agents in solid form
US-10150702-B2 · Dec 11, 2018 · US
Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid
US-10132039-B2 · Nov 20, 2018 · US
Adhesive
US-2018273813-A1 · Sep 27, 2018 · US
A process for preparing functional polymers through addition of amino and polymeryl groups to aldehyde moieties
US-2018273654-A1 · Sep 27, 2018 · US
Polyvinyl butyral-g-polylactide copolymer
US-2018223011-A1 · Aug 9, 2018 · US
Binder for power storage device electrode
US-2018201709-A1 · Jul 19, 2018 · US
Modified polyvinyl acetal resin composition
US-2018194935-A1 · Jul 12, 2018 · US
Method for producing polyacrylamide composition
US-2018162966-A1 · Jun 14, 2018 · US
Polyolefin-derived dispersants
US-2018163153-A1 · Jun 14, 2018 · US
Composition of cross-linked polymers comprising pending exchangeable bonds and exchangeable cross-links, via aldehyde-imine and/or imine-imine exchange reactions, preparation processes and use
US-9994651-B2 · Jun 12, 2018 · US
Polyvinylacetal resin for heat-developable photosensitive material and heat-developable photosensitive material
US-9951154-B2 · Apr 24, 2018 · US
Polycyclic aromatic hydrocarbon functionalized isobutylene copolymers for dispersing graphene and graphite
US-9914817-B2 · Mar 13, 2018 · US
Preparation of polyvinylamide cellulose reactive adducts
US-9879381-B2 · Jan 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F8/28?
- CPC C08F8/28 is the Cooperative Patent Classification code for “Condensation with aldehydes or ketones.”
- How many patents are filed under CPC C08F8/28 (Condensation with aldehydes or ketones)?
- Our database includes 208 publications tagged with this CPC code.
- Is patent activity under CPC C08F8/28 growing?
- Publication counts under this code: 27 in 2024 vs 23 in 2025 (latest complete years).