A coating composition
US-2026055296-A1 · Feb 26, 2026 · US
having three carboxylic acid groups
having three carboxylic acid groups · 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 | C08G18/345 |
| Official title | {having three carboxylic acid groups} |
| Display label | having three carboxylic acid groups |
| Total patents | 33 |
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 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A coating composition
US-2025326949-A1 · Oct 23, 2025 · US
Polyurethane mdi foam forming composition including epoxidized soybean oil, polyurethane foam made from the composition, and method of making polyurethane foam
US-2024141092-A1 · May 2, 2024 · US
Polyamideimide resin and coating material
US-11214709-B2 · Jan 4, 2022 · US
Polyamide foams which inhibit the spread of fires for filling cavities in mining
US-11130834-B2 · Sep 28, 2021 · US
Additives for lignocellulosic composites
US-10960570-B2 · Mar 30, 2021 · US
Viscoelastic element based on a polyurethane foam
US-10941238-B2 · Mar 9, 2021 · US
Preparation of poly amidoimides
US-10920019-B2 · Feb 16, 2021 · US
Viscoelastic element based on a polyurethane foam
US-2020377643-A1 · Dec 3, 2020 · US
Poly(amide-imide) resin composition and fluorochemical coating material
US-10766999-B2 · Sep 8, 2020 · US
Preparation of polyamidoimides
US-2020239638-A1 · Jul 30, 2020 · US
Aqueous polymer compositions comprising polyurethane (meth)acrylates
US-10703929-B2 · Jul 7, 2020 · US
Resin, resin composition, nonwoven fabric using same, fiber product, separator, secondary battery and electric double layer capacitor, and method for producing nonwoven fabric
US-2020131366-A1 · Apr 30, 2020 · US
Additives for lignocellulosic composites
US-2019270219-A1 · Sep 5, 2019 · US
Polyamide foams which inhibit the spread of fires for filling cavities in mining
US-2019211137-A1 · Jul 11, 2019 · US
Sulfonated fluorinated, non-fluorinated or partially fluorinated urethanes
US-2019119433-A1 · Apr 25, 2019 · US
Sulfonated fluorinated, non-fluorinated or partially fluorinated urethanes
US-10208155-B2 · Feb 19, 2019 · US
Poly(amide-imide) resin composition and fluorochemical coating material
US-2018355095-A1 · Dec 13, 2018 · US
Polyamideimide resin and coating material
US-2018320022-A1 · Nov 8, 2018 · US
Aqueous polymer compositions comprising polyurethane (meth)acrylates
US-2018244948-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/345?
- CPC C08G18/345 is the Cooperative Patent Classification code for “having three carboxylic acid groups.”
- How many patents are filed under CPC C08G18/345 (having three carboxylic acid groups)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/345 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).