C11B 3/00
Refining fats or fatty oils
C11B3/00 (Refining fats or fatty oils) appears on 1,389 US grants and 1,600 published applications in this corpus.
Search patents in C11B- Granted patents
- 1,389
- Published applications
- 1,600
- Assignees
- 779
- Inventors
- 3,248
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 16 | 0 |
| 1990 | 14 | 0 |
| 1991 | 25 | 0 |
| 1992 | 15 | 0 |
| 1993 | 21 | 0 |
| 1994 | 24 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 30 | 6 |
| 2002 | 19 | 22 |
| 2003 | 17 | 29 |
| 2004 | 20 | 28 |
| 2005 | 14 | 26 |
| 2006 | 21 | 28 |
| 2007 | 9 | 26 |
| 2008 | 9 | 35 |
| 2009 | 24 | 32 |
| 2010 | 24 | 60 |
| 2011 | 23 | 75 |
| 2012 | 35 | 65 |
| 2013 | 49 | 96 |
| 2014 | 63 | 104 |
| 2015 | 79 | 96 |
| 2016 | 93 | 101 |
| 2017 | 72 | 92 |
| 2018 | 67 | 97 |
| 2019 | 78 | 77 |
| 2020 | 62 | 72 |
| 2021 | 65 | 85 |
| 2022 | 45 | 72 |
| 2023 | 48 | 85 |
| 2024 | 50 | 81 |
| 2025 | 47 | 64 |
| 2026 | 26 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C11B 3/12Refining fats or fatty oils: by distillation386
- C11B 3/001Refining fats or fatty oils: by a combination of two or more376
- C11B 3/02Refining fats or fatty oils: by chemical reaction341
- C11B 3/10Refining fats or fatty oils: by adsorption317
- C11B 3/006Refining fats or fatty oils: by extraction308
- C11B 3/008Refining fats or fatty oils: by filtration179
- C11B 3/16Refining fats or fatty oils: by mechanical means147
- C11B 3/003Refining fats or fatty oils: by enzymes or microorganisms, living or dead124
All 9 subgroupsShow fewer
Recent patents
- VE enrichment system22 Sep 2026US 12,741,233 B2Jj-Lurgi Engineering Equipment (Shanghai) Co. Ltd
- Filter for inhibiting degradation of edible oils, and method for producing same1 Sep 2026US 12,723,217 B2Nsk Ltd.
- Stability of short path evaporation treated oils18 Aug 2026US 12,709,716 B2Cargill, Incorporated
- Low pH co-extraction method of preparing a stable oil body solution28 Jul 2026US 12,690,600 B2Societe des Produits Nestle S. A.
- Method for pretreating waste fat, oil and grease and co-producing first-generation biodiesel14 Jul 2026US 12,680,040 B2Fuzhou University
- A process and apparatus for refining a vegetable oil8 Oct 2026US 2026/0308475 A1Intreft Pty Ltd
- Solvent vapors absorption system reducing contaminations8 Oct 2026US 2026/0308476 A1Desmet Belgium
- Biobased multifunctional additives for hydrocarbon desalting1 Oct 2026US 2026/0297437 A1Solugen, Inc.
- Process for degumming feedstock comprising brassica carinata oil1 Oct 2026US 2026/0297454 A1Dsm IP Assets B.V.
- Producing chemical products associated with environmental attributes17 Sep 2026US 2026/0271955 A1BASF SE
Most cited
By later US patents
- Solventless extraction process206US 6,750,048 B2Martek Biosciences Corporation · 2004
- Extraction and separation method and apparatus using supercritical fluid189US 5,013,443 ANihon Bunko Kogyo Kabushiki Kaisha · 1991
- Method to produce highly pure eicosapentaenoic acid or its ester176US 5,840,944 ANippon Suisan Kaisha, Ltd. · 1998
- Method of processing ethanol byproducts and related subsystems133US 7,601,858 B2Gs Cleantech Corporation · 2009
- Degumming process for triglyceride oils106US 4,049,686 ALever Brothers Company · 1977