C11C 1/08
Refining
C11C1/08 (Refining) appears on 292 US grants and 356 published applications in this corpus.
Search patents in C11C- Granted patents
- 292
- Published applications
- 356
- Assignees
- 235
- Inventors
- 864
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 13 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 8 | 0 |
| 2003 | 3 | 4 |
| 2004 | 3 | 7 |
| 2005 | 4 | 9 |
| 2006 | 2 | 6 |
| 2007 | 2 | 12 |
| 2008 | 2 | 17 |
| 2009 | 10 | 18 |
| 2010 | 4 | 22 |
| 2011 | 13 | 22 |
| 2012 | 10 | 20 |
| 2013 | 24 | 20 |
| 2014 | 18 | 21 |
| 2015 | 22 | 18 |
| 2016 | 14 | 17 |
| 2017 | 17 | 14 |
| 2018 | 11 | 14 |
| 2019 | 13 | 16 |
| 2020 | 16 | 14 |
| 2021 | 14 | 15 |
| 2022 | 8 | 12 |
| 2023 | 9 | 15 |
| 2024 | 7 | 15 |
| 2025 | 8 | 17 |
| 2026 | 4 | 10 |
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.
- Method of producing a low glycidol monoglyceride composition and the low glycidol monoglyceride composition as such3 Mar 2026US 12,565,470 B2Palsgaard A/S
- Method of fractionation of fatty acids with a difference of two carbons by molecular distillation17 Feb 2026US 12,553,068 B2Polaris
- Method for producing oil from a microalgae product10 Feb 2026US 12,545,853 B2K. D. Pharma Bexbach GmbH
- Downflow lipid conversion with upflow catalyst regeneration23 Sep 2025US 12,421,460 B2Chevron U.S.A.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
- Chloride removal from bio-oils25 Jun 2026US 2026/0176551 A1Uop LLC
- A process for reducing diglycerides23 Apr 2026US 2026/0109913 A1Novozymes A/S
- Process for removal of chloride containing compounds and other impurities from fats and oils9 Apr 2026US 2026/0098228 A1Neste Oyj
Most cited
By later US patents
- Method to produce highly pure eicosapentaenoic acid or its ester176US 5,840,944 ANippon Suisan Kaisha, Ltd. · 1998
- Method for preparing pure EPA and pure DHA119US 6,846,942 B22005
- Fatty acid blends and uses therefor76US 8,029,579 B2COH Inc. · 2011
- Process for separating an ester of a monoethanoid fatty acid54US 4,048,205 AUop LLC · 1977
- Elimination of trans-unsaturated fatty acid compounds by selective adsorption with zeolites50US 6,229,032 B1K. U. Leuven Research & Development · 2001