Cement admixture
US-2018362404-A1 · Dec 20, 2018 · US
Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation
Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation · 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 | C08F8/46 |
| Official title | Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation |
| Display label | Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation |
| Total patents | 222 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 18 |
| 2017 | 16 |
| 2018 | 30 |
| 2019 | 21 |
| 2020 | 31 |
| 2021 | 26 |
| 2022 | 25 |
| 2023 | 19 |
| 2024 | 7 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Macromonomer mixture, terminal-reactive polymer mixture, intermediate for macromonomer and silicone hydrogel
US-10125209-B2 · Nov 13, 2018 · US
Functionalized resin having a polar linker
US-2018291125-A1 · Oct 11, 2018 · US
Functionalized resin having a polar linker
US-2018291181-A1 · Oct 11, 2018 · US
Process for cross-linked polyethylene production
US-10093756-B2 · Oct 9, 2018 · US
Non-Extrusion Process for Functionalization of Low Viscosity Polyolefins
US-2018258209-A1 · Sep 13, 2018 · US
Quaternary ammonium amide and/or ester salts
US-10023819-B2 · Jul 17, 2018 · US
Polymer for a glass ionomer cement
US-9993395-B2 · Jun 12, 2018 · US
Propylene based resin composition and use thereof
US-9969853-B2 · May 15, 2018 · US
Propylene based resin composition and use thereof
US-9963567-B2 · May 8, 2018 · US
Propylene based resin composition and use thereof
US-9908983-B2 · Mar 6, 2018 · US
Farnesene-based polymers and liquid optically clear adhesive compositions incorporating the same
US-9850329-B2 · Dec 26, 2017 · US
Quaternary ammonium amide and/or ester salts
US-2017321137-A1 · Nov 9, 2017 · US
Modified ethylene polymer, adhesive resin composition, laminate, and use thereof
US-2017321092-A1 · Nov 9, 2017 · US
Coating agent, decorative film, and article
US-2017321093-A1 · Nov 9, 2017 · US
Self-assembled Propylene-based Compositions and Methods of Production Thereof
US-2017240725-A1 · Aug 24, 2017 · US
Acrylic polymer of maleic anhydride and use thereof in cosmetics
US-2017216185-A1 · Aug 3, 2017 · US
High-reactivity polyisobutylene having a high content of vinylidene double bonds in the side chains
US-9688791-B2 · Jun 27, 2017 · US
Resin composition for golf ball and golf ball
US-2017145136-A1 · May 25, 2017 · US
Process of polyolefin functionalization
US-9657116-B2 · May 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F8/46?
- CPC C08F8/46 is the Cooperative Patent Classification code for “Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation.”
- How many patents are filed under CPC C08F8/46 (Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation)?
- Our database includes 222 publications tagged with this CPC code.
- Is patent activity under CPC C08F8/46 growing?
- Publication counts under this code: 7 in 2024 vs 11 in 2025 (latest complete years).