Ammoniated polycarbamide separation aids for mineral flotation
US-2026070068-A1 · Mar 12, 2026 · US
Chemically modified polycondensates
Chemically modified polycondensates · 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 | C08G12/40 |
| Official title | Chemically modified polycondensates |
| Display label | Chemically modified polycondensates |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-sulfonated melamine resin viscosity reducer for drilling fluid and preparation method thereof
US-2025197758-A1 · Jun 19, 2025 · US
Modified urea-formaldehyde binders for non-woven fiber glass mats
US-2025129244-A1 · Apr 24, 2025 · US
Modified urea-formaldehyde binders for non-woven fiber glass mats
US-12195621-B2 · Jan 14, 2025 · US
Polymeric flame retardant synergist and the method of producing it and its formulation for polyamides
US-2024425756-A1 · Dec 26, 2024 · US
Schiff base oligomers
US-12098250-B2 · Sep 24, 2024 · US
Schiff base oligomers
US-12098249-B2 · Sep 24, 2024 · US
A method for preparing hollow covalent organic framework materials
US-2024182624-A1 · Jun 6, 2024 · US
Composite solid-state electrolyte, preparation method thereof and all-solid-state lithium metal battery
US-2024145773-A1 · May 2, 2024 · US
Schiff base oligomers
US-2024059840-A1 · Feb 22, 2024 · US
Schiff base oligomers
US-2023357506-A1 · Nov 9, 2023 · US
Underlayer film forming composition for lithography, underlayer film, and pattern formation method
US-2023324801-A1 · Oct 12, 2023 · US
Modified urea-formaldehyde binders for non-woven fiber glass mats
US-2023295413-A1 · Sep 21, 2023 · US
Schiff base oligomers
US-11725080-B2 · Aug 15, 2023 · US
Schiff base oligomers
US-11713374-B2 · Aug 1, 2023 · US
Modified urea-formaldehyde binders for non-woven fiber glass mats
US-11697729-B2 · Jul 11, 2023 · US
Cucurbituril-based hydrogels
US-11479644-B2 · Oct 25, 2022 · US
Schiff base oligomers
US-2021284801-A1 · Sep 16, 2021 · US
Schiff base oligomers
US-2021284802-A1 · Sep 16, 2021 · US
Modified urea-formaldehyde binders for non-woven fiber glass mats
US-2021047508-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G12/40?
- CPC C08G12/40 is the Cooperative Patent Classification code for “Chemically modified polycondensates.”
- How many patents are filed under CPC C08G12/40 (Chemically modified polycondensates)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C08G12/40 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).