C11B 3/008
Refining fats or fatty oils: by filtration
Official title: {by filtration, e.g. including ultra filtration, dialysis (C11B3/005 takes precedence)}
C11B3/008 (Refining fats or fatty oils: by filtration) appears on 179 US grants and 248 published applications in this corpus.
Search patents in C11B- Granted patents
- 179
- Published applications
- 248
- Assignees
- 170
- Inventors
- 587
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 4 |
| 2008 | 1 | 4 |
| 2009 | 3 | 2 |
| 2010 | 1 | 12 |
| 2011 | 4 | 13 |
| 2012 | 6 | 8 |
| 2013 | 7 | 13 |
| 2014 | 8 | 9 |
| 2015 | 9 | 16 |
| 2016 | 10 | 11 |
| 2017 | 12 | 17 |
| 2018 | 10 | 20 |
| 2019 | 14 | 13 |
| 2020 | 12 | 13 |
| 2021 | 11 | 14 |
| 2022 | 6 | 14 |
| 2023 | 6 | 14 |
| 2024 | 8 | 15 |
| 2025 | 8 | 15 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for inhibiting degradation of edible oils, and method for producing same1 Sep 2026US 12,723,217 B2Nsk Ltd.
- 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
- Breast milk structured lipid simulating the composition of triglycerides and method for preparing the same5 May 2026US 12,616,218 B2
- Purification of contaminated feedstocks via hydrolysis and acidulation21 Apr 2026US 12,606,772 B1Applied Research Associates, Inc.
- A process and apparatus for refining a vegetable oil8 Oct 2026US 2026/0308475 A1Intreft Pty Ltd
- Purification of contaminated feedstocks via hydrolysis and acidulation17 Sep 2026US 2026/0275230 A1Applied Research Associates, Inc.
- Process for preparing a sunflower oleosome composition10 Sep 2026US 2026/0265639 A1Cargill, Incorporated
- Method for evaluating filtration filter30 Jul 2026US 2026/0220759 A1Nsk Ltd.
- Processing method for poultry oil16 Jul 2026US 2026/0201268 A1
Most cited
By later US patents
- Process for refining crude glyceride oils by membrane filtration92US 4,062,882 ALever Brothers Company · 1977
- Fat products from high stearic soybean oil and a method for the production thereof77US 6,229,033 B1E. I. Du Pont de Nemours and Company · 2001
- Extension of edible oil lifetime using activated carbons76US 5,348,755 ACalgon Carbon Corporation · 1994
- Method of refining oil74US 5,545,329 ARochem Separation Systems, Inc. · 1996
- Filter for adsorption from and/or dispersion of ingredients into a fluid70US 6,165,519 ARobert Lehrer Associates, Inc. · 2000