Photochromic polyurethane laminate
US-11181666-B2 · Nov 23, 2021 · US
Polymerisation of cyclic oligomers of formaldehyde · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G2/10 |
| Official title | Polymerisation of cyclic oligomers of formaldehyde |
| Display label | Polymerisation of cyclic oligomers of formaldehyde |
| Total patents | 77 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11181666-B2 · Nov 23, 2021 · US
US-11142637-B2 · Oct 12, 2021 · US
US-2021292461-A1 · Sep 23, 2021 · US
US-10961384-B2 · Mar 30, 2021 · US
US-10954332-B2 · Mar 23, 2021 · US
US-10844191-B2 · Nov 24, 2020 · US
US-2020362085-A1 · Nov 19, 2020 · US
US-2020354500-A1 · Nov 12, 2020 · US
US-10808067-B2 · Oct 20, 2020 · US
US-10781307-B2 · Sep 22, 2020 · US
US-2020291223-A1 · Sep 17, 2020 · US
US-2020172699-A1 · Jun 4, 2020 · US
US-2020055974-A1 · Feb 20, 2020 · US
US-2020048395-A1 · Feb 13, 2020 · US
US-2019265389-A1 · Aug 29, 2019 · US
US-10330828-B2 · Jun 25, 2019 · US
US-2019161572-A1 · May 30, 2019 · US
US-10280258-B2 · May 7, 2019 · US
US-10227448-B2 · Mar 12, 2019 · US
US-2019062546-A1 · Feb 28, 2019 · US
Answers are generated from the same data shown on this page.