High-efficiency gold recovery by additive-induced supramolecular polymerization of cyclodextrin
US-2024247336-A1 · Jul 25, 2024 · US
from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B11/025 |
| Official title | {from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths} |
| Display label | from manufactured products, e.g. from printed circuit boards, from photographic films, paper, or baths |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024247336-A1 · Jul 25, 2024 · US
US-2024247335-A1 · Jul 25, 2024 · US
US-11884992-B2 · Jan 30, 2024 · US
US-2023374623-A1 · Nov 23, 2023 · US
US-2023357885-A1 · Nov 9, 2023 · US
US-11718893-B2 · Aug 8, 2023 · US
US-11447846-B2 · Sep 20, 2022 · US
US-2022259697-A1 · Aug 18, 2022 · US
US-2022205063-A1 · Jun 30, 2022 · US
US-2021189520-A1 · Jun 24, 2021 · US
US-2020332391-A1 · Oct 22, 2020 · US
US-10655198-B2 · May 19, 2020 · US
US-10323302-B2 · Jun 18, 2019 · US
US-2018187285-A1 · Jul 5, 2018 · US
US-2018142330-A1 · May 24, 2018 · US
US-9447479-B2 · Sep 20, 2016 · US
US-2015337409-A1 · Nov 26, 2015 · US