C11C 1/00
Preparation of fatty acids from fats, fatty oils, or waxes
Official title: Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids (recovery of fatty acids from waste materials C11B13/00)
C11C1/00 (Preparation of fatty acids from fats, fatty oils, or waxes) appears on 620 US grants and 732 published applications in this corpus.
Search patents in C11C- Granted patents
- 620
- Published applications
- 732
- Assignees
- 439
- Inventors
- 1,606
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 18 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 5 |
| 2002 | 14 | 4 |
| 2003 | 8 | 14 |
| 2004 | 6 | 15 |
| 2005 | 11 | 14 |
| 2006 | 8 | 17 |
| 2007 | 4 | 20 |
| 2008 | 7 | 24 |
| 2009 | 13 | 32 |
| 2010 | 8 | 36 |
| 2011 | 18 | 40 |
| 2012 | 23 | 37 |
| 2013 | 43 | 44 |
| 2014 | 35 | 45 |
| 2015 | 32 | 38 |
| 2016 | 37 | 43 |
| 2017 | 35 | 35 |
| 2018 | 27 | 35 |
| 2019 | 28 | 32 |
| 2020 | 32 | 28 |
| 2021 | 27 | 29 |
| 2022 | 24 | 32 |
| 2023 | 22 | 30 |
| 2024 | 15 | 29 |
| 2025 | 16 | 35 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Downflow lipid conversion with upflow catalyst regeneration6 Oct 2026US 12,753,348 B2Chevron U.S.A.Inc.
- Use of a biodegradable lubricant base, and method for the preparation thereof23 Jun 2026US 12,662,643 B2Nyco
- Belly blade mounted to center of mower equipment2 Jun 2026US 12,644,062 B2Arlington Power Equipment, Inc.
- Enzymatic modification of oil2 Jun 2026US 12,644,141 B2DSM Nutritional Products AG
- Process for producing biodiesel with reduced monoacylglycerol content19 May 2026US 12,630,774 B2Desmet Belgium
- Belly Blade Mounted to Center of Mower Equipment17 Sep 2026US 2026/0275210 A1
- Purification of contaminated feedstocks via hydrolysis and acidulation17 Sep 2026US 2026/0275230 A1Applied Research Associates, Inc.
- Cholesterol recovery from fish oil residues20 Aug 2026US 2026/0242408 A1American Bioprocess Limitada
- Process for separating and extracting nervonic acid from xanthoceras sorbifolium bunge13 Aug 2026US 2026/0234504 A1Nanchang University
- Triglycerides and structured lipids from short- and medium-chain fatty acids16 Jul 2026US 2026/0201429 A1BioVeritas, LLC
Most cited
By later US patents
- Combined fatty acid composition for treatment or prophylaxis of thrombo-embolic conditions196US 4,526,902 ACentury Laboratories, Inc. · 1985
- Method to produce highly pure eicosapentaenoic acid or its ester176US 5,840,944 ANippon Suisan Kaisha, Ltd. · 1998
- Process for extracting lipids with a high production of long-chain highly unsaturated fatty acids132US 5,539,133 AMilupa Aktiengesellschaft · 1996
- Method for preparing pure EPA and pure DHA119US 6,846,942 B22005
- Process for preparing docosahexaenoic acid and docosapentaenoic acid with ulkenia84US 6,509,178 B1Nagase Chemtex Corporation · 2003