Production of graphene
US-9506156-B2 · Nov 29, 2016 · US
starting from graphitic oxides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B32/192 |
| Official title | starting from graphitic oxides |
| Display label | starting from graphitic oxides |
| Total patents | 365 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 44 |
| 2016 | 34 |
| 2017 | 45 |
| 2018 | 42 |
| 2019 | 52 |
| 2020 | 31 |
| 2021 | 34 |
| 2022 | 24 |
| 2023 | 22 |
| 2024 | 21 |
| 2025 | 10 |
| 2026 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9506156-B2 · Nov 29, 2016 · US
US-9502150-B2 · Nov 22, 2016 · US
US-9493594-B2 · Nov 15, 2016 · US
US-9482638-B2 · Nov 1, 2016 · US
US-2016293341-A1 · Oct 6, 2016 · US
US-2016272583-A1 · Sep 22, 2016 · US
US-9422165-B2 · Aug 23, 2016 · US
US-9413007-B2 · Aug 9, 2016 · US
US-9393550-B2 · Jul 19, 2016 · US
US-2016200582-A1 · Jul 14, 2016 · US
US-9360905-B2 · Jun 7, 2016 · US
US-2016152748-A1 · Jun 2, 2016 · US
US-9352968-B2 · May 31, 2016 · US
US-9327985-B2 · May 3, 2016 · US
US-2016060122-A1 · Mar 3, 2016 · US
US-9236156-B2 · Jan 12, 2016 · US
US-2015360956-A1 · Dec 17, 2015 · US
US-2015360197-A1 · Dec 17, 2015 · US
US-2015349264-A1 · Dec 3, 2015 · US
US-2015348667-A1 · Dec 3, 2015 · US
Answers are generated from the same data shown on this page.