A23K 20/158
Fatty acids
Official title: Fatty acids; Fats; Products containing oils or fats
A23K20/158 (Fatty acids) appears on 1,391 US grants and 2,596 published applications in this corpus.
Search patents in A23K- Granted patents
- 1,391
- Published applications
- 2,596
- Assignees
- 952
- Inventors
- 4,197
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 19 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 14 | 0 |
| 2000 | 25 | 0 |
| 2001 | 26 | 13 |
| 2002 | 27 | 38 |
| 2003 | 27 | 65 |
| 2004 | 22 | 68 |
| 2005 | 15 | 71 |
| 2006 | 26 | 70 |
| 2007 | 27 | 61 |
| 2008 | 13 | 85 |
| 2009 | 28 | 90 |
| 2010 | 35 | 107 |
| 2011 | 32 | 86 |
| 2012 | 50 | 84 |
| 2013 | 41 | 97 |
| 2014 | 70 | 96 |
| 2015 | 43 | 116 |
| 2016 | 50 | 135 |
| 2017 | 72 | 136 |
| 2018 | 77 | 112 |
| 2019 | 58 | 130 |
| 2020 | 78 | 128 |
| 2021 | 68 | 158 |
| 2022 | 65 | 160 |
| 2023 | 48 | 156 |
| 2024 | 67 | 110 |
| 2025 | 70 | 136 |
| 2026 | 54 | 88 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for rearing Artemias, feed for Artemia, Artemia and Artemia population11 Aug 2026US 12,702,120 B2Nissui Corporation
- Animal feed compositions11 Aug 2026US 12,702,146 B2Dsm IP Assets B.V.
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- Shrimp feed and methods of use thereof1 Oct 2026US 2026/0293937 A1Organicin Scientific, Inc.
- Pet Food Compositions1 Oct 2026US 2026/0294860 A1Hill's Pet Nutrition, Inc.
- Pasture treatments for enhanced carbon sequestration and reduction in livestock-produced greenhouse gas emissions24 Sep 2026US 2026/0283195 A1Locus Solutions Ipco, LLC
Most cited
By later US patents
- Process for the heterotrophic production of microbial products with high concentrations of omega-3 highly unsaturated fatty acids354US 5,130,242 APhycotech, Inc. · 1992
- Pharmaceutical composition and dietary supplement containing docosarexaenoic acid obtained from dinoflagellates200US 5,492,938 AMartek Biosciences Corporation · 1996
- DHA-containing nutritional compositions and methods for their production165US 6,372,460 B1Martek Biosciences Corporation · 2002
- Preparation of microbial polyunsaturated fatty acid containing oil from pasteurized biomass163US 6,441,208 B2Dsm N. V. · 2002
- Method for selecting ruminant feed composition using abomasal infusion148US 5,503,112 ALand O' Lakes, Inc. · 1996