C11B 13/005
Recovery of fats, fatty oils or fatty acids from waste materials: of
Official title: {of residues of the fabrication of wood-cellulose (in particular tall-oil)}
C11B13/005 (Recovery of fats, fatty oils or fatty acids from waste materials: of) appears on 68 US grants and 75 published applications in this corpus.
Search patents in C11B- Granted patents
- 68
- Published applications
- 75
- Assignees
- 42
- Inventors
- 161
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 5 |
| 2010 | 0 | 4 |
| 2011 | 0 | 3 |
| 2012 | 5 | 4 |
| 2013 | 2 | 7 |
| 2014 | 5 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 6 |
| 2018 | 5 | 2 |
| 2019 | 2 | 2 |
| 2020 | 4 | 5 |
| 2021 | 6 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 0 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and system for contaminants removal29 Oct 2024US 12,128,330 B2Cameron International Corporation
- Tall diesel composition27 Aug 2024US 12,071,594 B2Sunpine AB
- Process for refining crude tall oil21 May 2024US 11,987,768 B2Upm-Kymmene Corporation
- Process and apparatus for treating tall oil14 Feb 2023US 11,578,234 B2Neste Oyj
- Continuous fractionation of crude tall oil to refined tall diesel20 Sep 2022US 11,447,717 B2Sunpine AB
- Fractionation of crude tall oil16 Jul 2026US 2026/0201271 A1Stora Enso OYJ
- Removal of impurities from tall oil feed by solvent precipitation4 Dec 2025US 2025/0368920 A1Neste Oyj
- Process and system for contaminants removal11 Sep 2025US 2025/0281853 A1Cameron International Corporation
- Heat treatment with adsorption purification of organic material of biological origin27 Mar 2025US 2025/0101322 A1Neste Oyj
- Tall diesel composition24 Oct 2024US 2024/0352363 A1Sunpine AB
Most cited
By later US patents
- Process for recovering high purity fatty acids and/or rosin acid and sterols30US 4,076,700 AJapan Synthetic Rubber Co., Ltd. · 1978
- Method and apparatus for the desalination of crude tall oil23US 4,426,322 A1984
- Process for separating oleic acid from linoleic acid21US 4,511,514 AUop LLC · 1985
- Method for refining of soaps using solvent extraction20US 3,965,085 A1976
- Isolation and purification of sterols from neutrals fraction of tall oil pitch by single decantation crystallization19US 6,057,462 AWestvaco Corporation · 2000