Polycarbonate Resin and Method for Preparing Same
US-2024150521-A1 · May 9, 2024 · US
using carbonates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G64/30 |
| Official title | using carbonates |
| Display label | using carbonates |
| Total patents | 196 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 21 |
| 2017 | 16 |
| 2018 | 20 |
| 2019 | 14 |
| 2020 | 22 |
| 2021 | 21 |
| 2022 | 18 |
| 2023 | 15 |
| 2024 | 13 |
| 2025 | 18 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024150521-A1 · May 9, 2024 · US
US-10118989-B2 · Nov 6, 2018 · US
US-2018307052-A1 · Oct 25, 2018 · US
US-2018290989-A1 · Oct 11, 2018 · US
US-9969841-B2 · May 15, 2018 · US
US-2018117162-A1 · May 3, 2018 · US
US-9951179-B2 · Apr 24, 2018 · US
US-9890131-B2 · Feb 13, 2018 · US
US-9854806-B2 · Jan 2, 2018 · US
US-9828463-B2 · Nov 28, 2017 · US
US-2017320987-A1 · Nov 9, 2017 · US
US-2017313815-A1 · Nov 2, 2017 · US
US-2017303541-A1 · Oct 26, 2017 · US
US-9765184-B2 · Sep 19, 2017 · US
US-2017238547-A1 · Aug 24, 2017 · US
US-2017158811-A1 · Jun 8, 2017 · US
US-2017145158-A1 · May 25, 2017 · US
US-2017114182-A1 · Apr 27, 2017 · US
US-2017114183-A1 · Apr 27, 2017 · US
US-9631050-B2 · Apr 25, 2017 · US
Answers are generated from the same data shown on this page.