C09F 1/00
Obtaining purification, or chemical modification of natural resins
Official title: Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins
C09F1/00 (Obtaining purification, or chemical modification of natural resins) appears on 220 US grants and 104 published applications in this corpus.
Search patents in C09F- Granted patents
- 220
- Published applications
- 104
- Assignees
- 87
- Inventors
- 373
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 14 | 0 |
| 1988 | 13 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 6 |
| 2007 | 1 | 6 |
| 2008 | 2 | 5 |
| 2009 | 0 | 8 |
| 2010 | 2 | 3 |
| 2011 | 3 | 6 |
| 2012 | 3 | 2 |
| 2013 | 2 | 4 |
| 2014 | 5 | 4 |
| 2015 | 2 | 5 |
| 2016 | 9 | 9 |
| 2017 | 6 | 4 |
| 2018 | 3 | 7 |
| 2019 | 5 | 4 |
| 2020 | 7 | 5 |
| 2021 | 4 | 7 |
| 2022 | 1 | 2 |
| 2023 | 4 | 5 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modified guayule resin/soy protein blends for bio-based adhesives, associated methods for forming same, and associated structures including such adhesives16 Jun 2026US 12,655,328 B2Arizona Board of Regents on Behalf of the University of Arizona
- Surfactant, dispersion and adhesive composition25 Feb 2025US 12,234,385 B2Lawter, Inc.
- Resin removal systems2 Jan 2024US 11,859,107 B2Supernova Tek LLC
- Rosin-modified product, flux composition, liquid flux, flux cored solder and solder paste24 Oct 2023US 11,794,288 B2Senju Metal Industry Co., Ltd.
- Compositions containing rosin esters25 Apr 2023US 11,634,584 B2Kraton Corporation
- Composition comprising resin from canarium ovatum tree and method of making thereof for sealants and flame retardants6 Aug 2026US 2026/0226332 A1
- 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
- Botanical Resin Extraction Apparatus18 Jul 2024US 2024/0238738 A1Tiny Holdings Co, LLC
- Terpene extraction apparatus and process9 May 2024US 2024/0150265 A1
Most cited
By later US patents
- Extraction of coniferous woods with fluid carbon dioxide and other supercritical fluids56US 4,308,200 AChampion International Corporation · 1981
- Extraction and fractionation of biopolymers and resins from plant materials45US 7,259,231 B2Yulex Corporation · 2007
- Use of rubber solvent-resin solvent and miscella mixtures for extraction-expression of rubber and resins from guayule shrub36US 4,681,929 AThe Firestone Tire & Rubber Company · 1987
- Sulfurized guayule resin and rubber35US 4,621,118 AThe Firestone Tire & Rubber Company · 1986
- Extraction of rubber and/or resin from rubber containing plants with a monophase solvent mixture34US 4,684,715 AThe Firestone Tire & Rubber Company · 1987