Polycarbonate resin
US-10155846-B2 · Dec 18, 2018 · US
Polyhydroxy compounds; Polyamines; Hydroxyamines
Polyhydroxy compounds; Polyamines; Hydroxyamines · 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 | C08G18/32 |
| Official title | Polyhydroxy compounds; Polyamines; Hydroxyamines |
| Display label | Polyhydroxy compounds; Polyamines; Hydroxyamines |
| Total patents | 152 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 21 |
| 2018 | 18 |
| 2019 | 19 |
| 2020 | 18 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermoresponsive material, and heat control device and fiber using thermoresponsive material
US-2018312758-A1 · Nov 1, 2018 · US
Two-component curable composition, two-component adhesive, two-component coating agent, and laminate
US-2018297344-A1 · Oct 18, 2018 · US
Molded product and polymerizable composition for optical material
US-2018258212-A1 · Sep 13, 2018 · US
Liquid-crystal urethane compound, thermally responsive liquid-crystal polyurethane elastomer, and production method therefor
US-2018171233-A1 · Jun 21, 2018 · US
Soft polyurethane foam using hydrocarbon polyol, and cosmetic comprising same
US-2018086889-A1 · Mar 29, 2018 · US
High strength polyisobutylene polyurethanes
US-9926399-B2 · Mar 27, 2018 · US
Use of polyurea nanoparticles as performance modifiers in polyurethane materials
US-9926424-B2 · Mar 27, 2018 · US
Flexible polyurethane material
US-RE46761-E · Mar 27, 2018 · US
Composition comprising cyclic secondary amine and methods of coating drinking water pipelines
US-9908146-B2 · Mar 6, 2018 · US
Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis
US-9822215-B2 · Nov 21, 2017 · US
Photosensitive resin composition, planographic printing plate precursor, method for producing planographic printing plate, and polymer compound
US-2017329225-A1 · Nov 16, 2017 · US
Thiourea-containing dendrimer and thiourea-containing hyperbranched polymer as well as preparation methods thereof and applications thereof
US-2017306101-A1 · Oct 26, 2017 · US
Improvements relating to polyurethanes
US-2017298172-A1 · Oct 19, 2017 · US
A method for improving fracture toughness of polyisocyanurate comprising reaction products
US-2017283545-A1 · Oct 5, 2017 · US
Microencapsulated curing agent
US-9725575-B2 · Aug 8, 2017 · US
Dendritic polyurea for solubilizing active substances of low solubility
US-9725554-B2 · Aug 8, 2017 · US
Composition comprising cyclic secondary amine and methods of coating drinking water pipelines
US-2017218224-A1 · Aug 3, 2017 · US
Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols
US-9718917-B2 · Aug 1, 2017 · US
Thermoplastic Polyurethane with High Heat Resistance
US-2017210846-A1 · Jul 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/32?
- CPC C08G18/32 is the Cooperative Patent Classification code for “Polyhydroxy compounds; Polyamines; Hydroxyamines.”
- How many patents are filed under CPC C08G18/32 (Polyhydroxy compounds; Polyamines; Hydroxyamines)?
- Our database includes 152 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/32 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).