C09K 17/50
The organic compound being of natural origin
Official title: the organic compound being of natural origin, e.g. cellulose derivatives
C09K17/50 (The organic compound being of natural origin) appears on 47 US grants and 56 published applications in this corpus.
Search patents in C09K- Granted patents
- 47
- Published applications
- 56
- Assignees
- 44
- Inventors
- 138
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 4 |
| 2017 | 2 | 3 |
| 2018 | 1 | 5 |
| 2019 | 3 | 5 |
| 2020 | 5 | 4 |
| 2021 | 4 | 0 |
| 2022 | 1 | 6 |
| 2023 | 1 | 2 |
| 2024 | 6 | 13 |
| 2025 | 2 | 3 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for heat enhanced reductive bioremediation6 Oct 2026US 12,753,344 B2Tersus Environmental LLC
- Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar14 Apr 2026US 12,599,151 B2Talipot Cool Extract (IP), LLC
- Method and system for in-situ remediation using surfactant-free oil-in water emulsion13 Jan 2026US 12,522,766 B2Tersus Environmental LLC
- Integrated PAC-based cap delivery system, apparatus and compositions14 Oct 2025US 12,441,864 B2J. F. Brennan Co., Inc.
- Super absorbing resin composite with base material for improving soil water retention22 Apr 2025US 12,281,253 B2Imam Abdulrahman Bin Faisal University
- Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar10 Sep 2026US 2026/0262683 A1Talipot Cool Extract (IP), LLC
- Use of granular pyrolytic carbon for soil conditioning3 Sep 2026US 2026/0258302 A1BASF SE
- Method of processing drinking water treatment material20 Aug 2026US 2026/0242268 A1Reale Lime
- Eco-friendly soil conditioner and method for manufacturing same7 May 2026US 2026/0125599 A1Lotte Fine Chemical Co., Ltd.
- Nutritional soil conditioning agent9 Apr 2026US 2026/0098208 A1
Most cited
By later US patents
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Fiber-reinforced soil mixtures39US 6,042,305 APPG Industries Ohio, Inc. · 2000
- Method and apparatus for treating sumps30US 4,028,240 A1977
- Process and compositions for conditioning soils27US 4,575,391 ASociete Carbochimique Societe Anonyme · 1986
- Stabilization composition25US 3,950,179 A1976