Catalysts for degradation of organic pollutants in printing and dyeing wastewater and method of preparation thereof
US-10413894-B2 · Sep 17, 2019 · US
Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J23/00 |
| Official title | Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) |
| Display label | Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) |
| Total patents | 108 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10413894-B2 · Sep 17, 2019 · US
US-2019276699-A1 · Sep 12, 2019 · US
US-2019263734-A1 · Aug 29, 2019 · US
US-2019263945-A1 · Aug 29, 2019 · US
US-10350579-B2 · Jul 16, 2019 · US
US-10335770-B2 · Jul 2, 2019 · US
US-10328418-B1 · Jun 25, 2019 · US
US-2019168191-A1 · Jun 6, 2019 · US
US-10183958-B2 · Jan 22, 2019 · US
US-2018361358-A1 · Dec 20, 2018 · US
US-2018305278-A1 · Oct 25, 2018 · US
US-10046312-B2 · Aug 14, 2018 · US
US-2018200695-A1 · Jul 19, 2018 · US
US-10011537-B2 · Jul 3, 2018 · US
US-9987619-B2 · Jun 5, 2018 · US
US-2018133699-A1 · May 17, 2018 · US
US-2018133698-A1 · May 17, 2018 · US
US-2018105542-A1 · Apr 19, 2018 · US
US-2018093260-A1 · Apr 5, 2018 · US
US-2018056278-A1 · Mar 1, 2018 · US
Answers are generated from the same data shown on this page.