C11B 13/00
Recovery of fats, fatty oils or fatty acids from waste materials
C11B13/00 (Recovery of fats, fatty oils or fatty acids from waste materials) appears on 432 US grants and 534 published applications in this corpus.
Search patents in C11B- Granted patents
- 432
- Published applications
- 534
- Assignees
- 302
- Inventors
- 1,021
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 9 | 4 |
| 2003 | 1 | 7 |
| 2004 | 6 | 5 |
| 2005 | 1 | 12 |
| 2006 | 3 | 12 |
| 2007 | 2 | 12 |
| 2008 | 4 | 16 |
| 2009 | 7 | 23 |
| 2010 | 6 | 19 |
| 2011 | 11 | 33 |
| 2012 | 14 | 25 |
| 2013 | 27 | 33 |
| 2014 | 18 | 29 |
| 2015 | 26 | 25 |
| 2016 | 21 | 26 |
| 2017 | 28 | 31 |
| 2018 | 29 | 24 |
| 2019 | 19 | 30 |
| 2020 | 28 | 25 |
| 2021 | 24 | 17 |
| 2022 | 16 | 27 |
| 2023 | 14 | 29 |
| 2024 | 22 | 28 |
| 2025 | 16 | 28 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recovery method for neutral and lipid components contained in Tall Oil Soap (TOS) or its saponified derivatives: lipid components such as fatty acids (FA), rosinic acids (RA), neutral components or neutral material (NM) including phytosterols6 Oct 2026US 12,753,364 B2American Bioprocess SPA
- Methods of and systems for a dry milling process with two steps liquefications21 Jul 2026US 12,685,947 B2Lee Tech LLC
- Corn sweet steeping16 Jun 2026US 12,653,218 B2Danisco US Inc.
- Hydrothermal purification process19 May 2026US 12,630,772 B2Applied Research Associates, Inc.
- Coupling process for producing biodiesel from waste fog28 Apr 2026US 12,612,567 B2Fuzhou University
- Methods of and systems for a dry milling process with two steps liquefications8 Oct 2026US 2026/0306965 A1Lee Tech LLC
- Purification of contaminated feedstocks via hydrolysis and acidulation17 Sep 2026US 2026/0275230 A1Applied Research Associates, Inc.
- Endogenous lipase for metal reduction in distillers corn oil20 Aug 2026US 2026/0242831 A1
- Hydrothermal purification process30 Jul 2026US 2026/0218067 A1Applied Research Associates, Inc.
- Fractionation of crude tall oil16 Jul 2026US 2026/0201271 A1Stora Enso OYJ
Most cited
By later US patents
- Method of processing ethanol byproducts and related subsystems133US 7,601,858 B2Gs Cleantech Corporation · 2009
- Method of processing ethanol byproducts and related subsystems62US 8,008,516 B22011
- Bio-based oil composition and method for producing the same54US 8,962,059 B1The Superior Oil Company · 2015
- Method of recovering oil from thin stillage53US 8,008,517 B2Gs Cleantech Corporation · 2011
- Methods for producing a high protein corn meal from a whole stillage byproduct53US 8,778,433 B2Fluid-Quip, Inc. · 2014