B01D 15/1814
Recycling of the fraction to be distributed
Official title: {Recycling of the fraction to be distributed}
B01D15/1814 (Recycling of the fraction to be distributed) appears on 574 US grants and 538 published applications in this corpus.
Search patents in B01D- Granted patents
- 574
- Published applications
- 538
- Assignees
- 228
- Inventors
- 1,025
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 5 |
| 2002 | 23 | 7 |
| 2003 | 13 | 14 |
| 2004 | 6 | 16 |
| 2005 | 10 | 12 |
| 2006 | 13 | 12 |
| 2007 | 7 | 12 |
| 2008 | 11 | 17 |
| 2009 | 13 | 19 |
| 2010 | 14 | 20 |
| 2011 | 11 | 22 |
| 2012 | 19 | 22 |
| 2013 | 20 | 23 |
| 2014 | 18 | 24 |
| 2015 | 17 | 16 |
| 2016 | 21 | 31 |
| 2017 | 23 | 32 |
| 2018 | 24 | 30 |
| 2019 | 35 | 34 |
| 2020 | 22 | 34 |
| 2021 | 28 | 28 |
| 2022 | 20 | 25 |
| 2023 | 16 | 32 |
| 2024 | 23 | 16 |
| 2025 | 20 | 24 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for purifying Fomes officinalis polysaccharide by sequential simulated moving chromatography15 Sep 2026US 12,735,510 B2Heilongjiang Bayi Agricultural University
- Mixing disk assembly for use on centrifugal platform4 Aug 2026US 12,697,565 B2Feng Chia University
- Process for selective adsorption and recovery of lithium from natural and synthetic brines19 May 2026US 12,630,436 B2ILiAD IP COMPANY, LLC
- Process for selective adsorption and recovery of lithium from natural and synthetic brines12 May 2026US 12,623,913 B2ILiAD IP COMPANY, LLC
- Process for selective adsorption and recovery of lithium from natural and synthetic brines12 May 2026US 12,623,914 B2ILiAD IP COMPANY, LLC
- Production of P-Xylene by Liquid-Phase Isomerization in the Presence of C9+ Aromatic Hydrocarbons and Separation Thereof27 Aug 2026US 2026/0250219 A1
- Zeolitic adsorbent for high productivity xylene separation30 Jul 2026US 2026/0216691 A1
- A hardwood-derived carbohydrate composition9 Jul 2026US 2026/0193287 A1
- Method for recycling plastics implementing a size-exclusion simulated moving bed device9 Jul 2026US 2026/0193440 A1Ifp Energies Nouvelles
- Method for recycling polyolefin-based plastics implementing a size-exclusion simulated moving bed device2 Jul 2026US 2026/0184877 A1Ifp Energies Nouvelles
Most cited
By later US patents
- Support for high performance affinity chromatography and other uses216US 6,277,489 B1The Regents of the University of California · 2001
- High efficiency continuous separation process212US 4,402,832 AUop LLC · 1983
- Serial flow continuous separation process149US 4,498,991 AUop LLC · 1985
- Discontinuous countercurrent chromatographic process and apparatus117US 5,630,943 AMerck Patent GmbH · 1997
- Process and device for separation with variable-length111US 6,136,198 AInstitut Francais du Petrole · 2000