B29B 2017/0248
Froth flotation, i.e. wherein gas bubbles are attached to suspended particles in
Official title: {Froth flotation, i.e. wherein gas bubbles are attached to suspended particles in an aerated liquid}
B29B2017/0248 (Froth flotation, i.e. wherein gas bubbles are attached to suspended particles in) appears on 25 US grants and 11 published applications in this corpus.
Search patents in B29B- Granted patents
- 25
- Published applications
- 11
- Assignees
- 19
- Inventors
- 41
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
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| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
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| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
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| 2015 | 1 | 0 |
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| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- A process for separating a fibrous target component from textile waste4 Mar 2021US 2021/0062417 A1Lenzing Aktiengesellschaft
- Method of reusing a textile material which comprises cellulose5 Nov 2020US 2020/0347520 A1Lenzing Aktiengesellschaft
- Process for recycling by separating the constituents of aluminized and plastified packaging, cartoned or not, and corresponding equipment30 Nov 2017US 2017/0342233 A1
Most cited
By later US patents
- Multistep separation of plastics38US 7,802,685 B2MBA Polymers, Inc. · 2010
- Process for separating polyethylene terephthalate from polyvinyl chloride31US 5,120,768 AThe Goodyear Tire & Rubber Company · 1992
- Method for the separation of high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) plastics26US 5,653,867 AThe University of Chicago · 1997
- Process for the separation of plastics by flotation21US 5,248,041 AHoechst Aktiengesellschaft · 1993
- Polyvinyl chloride-polyethylene terephthalate separation process and product19US 5,234,110 A1993