C09K 17/32
Of natural origin
Official title: of natural origin, e.g. cellulosic materials
C09K17/32 (Of natural origin) appears on 113 US grants and 137 published applications in this corpus.
Search patents in C09K- Granted patents
- 113
- Published applications
- 137
- Assignees
- 112
- Inventors
- 384
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 0 |
| 2004 | 1 | 10 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 3 | 4 |
| 2014 | 3 | 2 |
| 2015 | 4 | 10 |
| 2016 | 6 | 11 |
| 2017 | 2 | 5 |
| 2018 | 8 | 6 |
| 2019 | 8 | 10 |
| 2020 | 1 | 11 |
| 2021 | 9 | 7 |
| 2022 | 4 | 5 |
| 2023 | 5 | 10 |
| 2024 | 8 | 11 |
| 2025 | 4 | 13 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric material composition4 Aug 2026US 12,697,600 B2Upl Ltd
- Fertilizer composition for reducing methane gas emission comprising ethephon and uses thereof19 May 2026US 12,630,765 B2Industry-Academic Cooperation Foundation Gyeongsang National University
- Complexated biomolecules for use in contaminated soil or groundwater cleanup21 Apr 2026US 12,606,678 B2BlueHalo, LLC
- Eco-friendly water retention natural polymer and method thereof3 Mar 2026US 12,564,827 B2EF Polymer K.K.
- Composite for enabling sandy soil to have water retention and nutrient retention capabilities, water-retaining agent, and its preparation method and use thereof27 Jan 2026US 12,534,668 B2
- Complexated biomolecules for use in contaminated soil or groundwater cleanup8 Oct 2026US 2026/0308334 A1BlueHalo, LLC
- Engineered biologic living materials and methods to make these via advanced manufacturing8 Oct 2026US 2026/0308451 A1
- Dust suppression composition and methods of use thereof14 May 2026US 2026/0132336 A1
- Extraction system and method2 Apr 2026US 2026/0091326 A1Seachange Biochemistry Inc.
- Soil conditioner29 Jan 2026US 2026/0028455 A1Nippon Paper Industries Co., Ltd.
Most cited
By later US patents
- Temporary solidifier for playing with sand48US 4,957,558 A1990
- Use of selected polyvinyl acetate dispersions for the surface stabilization of sand and/or soil40US 5,846,601 AHenkel Kommanditgesellschaft auf Aktien · 1998
- Starch graft copolymers and method of making and using starch graft copolymers for agriculture34US 6,800,712 B22004
- Free-flowing guayule resin and bagasse mixtures and their use as fuel or soil amendent32US 4,988,388 ABridgestone/Firestone, Inc. · 1991
- Method for applying a biodegradable protein foam to a substrate29US 5,133,991 AChubb National Foam, Inc. · 1992