C11B 13/04
From spent adsorption materials
Official title: from spent adsorption materials
C11B13/04 (From spent adsorption materials) appears on 20 US grants and 25 published applications in this corpus.
Search patents in C11B- Granted patents
- 20
- Published applications
- 25
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 3 | 5 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous oil recovery process from spent oily solid material23 Sep 2025US 12,421,463 B2Desmet USA, Inc.
- Nanocomposites and related methods22 Apr 2025US 12,281,017 B2Northwestern University
- Oleophilic hydrophobic magnetic porous materials11 Mar 2025US 12,246,968 B2Northwestern University
- Apparatus and method for collection and disposal of fats, oil and grease26 Dec 2023US 11,851,629 B2
- Additives and use thereof in corn fermentation process streams and other bioprocesses13 Jun 2023US 11,672,267 B2BASF SE
- Treatment process of used filtration earth in the vegetable fats and biofuels sector29 Jan 2026US 2026/0028549 A1Alchemy Ventures and Developments SAS
- Residue extraction from a sorbent via (trans-)esterification15 May 2025US 2025/0153144 A1Vito NV
- Residue extraction from a sorbent with a chlorinated solvent27 Feb 2025US 2025/0066686 A1Vito NV
- Method of efficiently separating solid fat from polyunsaturated fatty acid grease14 Dec 2023US 2023/0399578 A1Zhejiang Keming Biopharmaceutical Co., Ltd
- Additives and use thereof in corn fermentation process streams and other bioprocesses24 Aug 2023US 2023/0263204 A1BASF SE
Most cited
By later US patents
- Apparatus and method for collection and disposal of fats, oil and grease9US 11,535,812 B22022
- Method for recovering edible oil from adsorbent materials8US 5,670,678 AHunt-Wesson, Inc. · 1997
- Method of recovering residual vegetable oil contained in spent bleaching clay and processing the bleaching clay for reuse6US 4,285,832 A1981
- Agricultural extraction products and processes5US 6,426,113 B12002
- Process for cleansing spent clay4US 4,049,685 ASylvachem Corporation · 1977