Method for preparing polyhydroxyurethane, polyhydroxyurethane prepared using the method and pressure-sensitive adhesive comprising the polyhydroxyurethane
US-12486361-B2 · Dec 2, 2025 · US
using carbon dioxide
using carbon dioxide · 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 | C08G64/32 |
| Official title | using carbon dioxide |
| Display label | using carbon dioxide |
| Total patents | 40 |
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 | 12 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing polyhydroxyurethane, polyhydroxyurethane prepared using the method and pressure-sensitive adhesive comprising the polyhydroxyurethane
US-2023212355-A1 · Jul 6, 2023 · US
Poly (alkyl carbonate) adhesives
US-11401374-B2 · Aug 2, 2022 · US
Method for preparing organic zinc catalyst, organic zinc catalyst prepared by the method and method for preparing polyalkylene carbonate resin using the catalyst
US-11219887-B2 · Jan 11, 2022 · US
Multilayer film comprising polyalkylene carbonate and manufacturing method of the same
US-11214044-B2 · Jan 4, 2022 · US
Poly(alkylene carbonate) resin composition, preparation method thereof, molded article formed therefrom, and preparation method of molded article using the same
US-10865274-B2 · Dec 15, 2020 · US
Copolymerization of carbon dioxide and cyclic monomers to form polycarbonates
US-10865275-B2 · Dec 15, 2020 · US
Method for separating propylene carbonate in preparing process of polyether carbonate polyol
US-10822324-B2 · Nov 3, 2020 · US
Use of additives to fine-tune the composition of carbonate units in a polymer formed by copolymerization of CO2 with epoxide: application to the synthesis of polycarbonate-based block copolymers and of telechelics
US-10800880-B2 · Oct 13, 2020 · US
Poly (alkyl carbonate) adhesives
US-2020056038-A1 · Feb 20, 2020 · US
Copolymerization of carbon dioxide and cyclic monomers to form polycarbonates
US-2019390007-A1 · Dec 26, 2019 · US
Use of additives to fine-tune the composition of carbonate units in a polymer formed by copolymerization of co2 with epoxide: application to the synthesis of polycarbonate-based block copolymers and of telechelics
US-2019390008-A1 · Dec 26, 2019 · US
Method for preparing organic zinc catalyst, organic zinc catalyst prepared by the method and method for preparing polyalkylene carbonate resin using the catalyst
US-2019329230-A1 · Oct 31, 2019 · US
Use of additives to fine-tune the composition of carbonate units in a polymer formed by copolymerization of CO2 with epdxide: application to the synthesis of polycarbonate-based block copolymers and of telechelics
US-10450412-B2 · Oct 22, 2019 · US
Method for Separating Propylene Carbonate in Preparing Process of Polyether Carbonate Polyol
US-2019315706-A1 · Oct 17, 2019 · US
Copolymerization of carbon dioxide and cyclic monomers to form polycarbonates
US-10442892-B2 · Oct 15, 2019 · US
Linear inorganic coordination polymer, metal complex compound, and metal nanostructure and catalyst composition comprising the same
US-10376868-B2 · Aug 13, 2019 · US
Poly(alkylene carbonate) resin composition, preparation method thereof, molded article formed therefrom, and preparation method of molded article using the same (as amended)
US-2019010282-A1 · Jan 10, 2019 · US
Method for producing polyether carbonate polyols
US-10125217-B2 · Nov 13, 2018 · US
Multilayer film comprising polyalkylene carbonate and manufacturing method of the same
US-2018297337-A1 · Oct 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G64/32?
- CPC C08G64/32 is the Cooperative Patent Classification code for “using carbon dioxide.”
- How many patents are filed under CPC C08G64/32 (using carbon dioxide)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C08G64/32 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2025 (latest complete years).