C09F 1/02
Purification
C09F1/02 (Purification) appears on 23 US grants and 25 published applications in this corpus.
Search patents in C09F- Granted patents
- 23
- Published applications
- 25
- Assignees
- 19
- Inventors
- 65
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin removal systems2 Jan 2024US 11,859,107 B2Supernova Tek LLC
- Deodorized rosin ester and methods for making22 Mar 2022US 11,279,849 B2Kraton Polymers LLC
- Light color rosin ester compositions and methods of making same7 Sep 2021US 11,111,411 B2Kraton Polymers LLC
- Desulfurized tall oil and derivatives thereof22 Jun 2021US 11,041,095 B2Kraton Polymers LLC
- Resin removal systems8 Dec 2020US 10,858,542 B2Supernova Tek LLC
- Method for reducing benzopyrene and plasticizers in capsicum oleoresin and product obtained thereby2 Jul 2026US 2026/0184961 A1Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd.
- Purification methods for modified rosin compositions31 Oct 2024US 2024/0360312 A1
- Terpene extraction apparatus and process9 May 2024US 2024/0150265 A1
- Method of extraction7 Sep 2023US 2023/0279265 A1
- Fractionation of crude tall oil20 Jan 2022US 2022/0018069 A1Stora Enso OYJ
Most cited
By later US patents
- Method for separating sterols from tall oil15US 6,107,456 AArizona Chemical Company · 2000
- Biorefining of crude tall oil6US 9,499,767 B2Sunpine AB · 2016
- Removal of sulfuric acid compounds5US 3,954,690 AHoechst Aktiengesellschaft · 1976
- Method of removing lignin from tall oil5US 4,879,369 AWestvaco Corporation · 1989
- Method for separating sterols from tall oil5US 6,414,111 B2Arizona Chemical Company · 2002