C09K 17/06
Calcium compounds
Official title: Calcium compounds, e.g. lime
C09K17/06 (Calcium compounds) appears on 51 US grants and 45 published applications in this corpus.
Search patents in C09K- Granted patents
- 51
- Published applications
- 45
- Assignees
- 35
- Inventors
- 131
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 5 |
| 2018 | 4 | 7 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soil paving material and soil paving method15 Sep 2026US 12,735,845 B2
- Pellets containing agricultural treatment materials and methods of making same27 Jan 2026US 12,534,421 B2Carbo Ceramics Inc.
- Greenhouse gas emission reduction method for heavy metal contaminated soil14 Jan 2025US 12,195,659 B2Jiangxi Agricultural University
- Method of forming a non-dispersible granular substrate and the granular substrates formed thereby20 Feb 2024US 11,905,212 B1The National Lime and Stone Company
- Micronized earth alkali carbonate-containing material, for regulating the pH of a soil28 Feb 2023US 11,591,272 B2Omya International AG
- Soil Additive and Method for Using Same1 Oct 2026US 2026/0297426 A1
- Pellets containing agricultural treatment materials and methods of making same4 Jun 2026US 2026/0152452 A1Carbo Ceramics Inc.
- Destruction of pfas in soil2 Apr 2026US 2026/0092213 A1Battelle Memorial Institute
- Soil amendment for regulating salinity and alkalinity and solidifying heavy metals, preparation and application thereof20 Nov 2025US 2025/0353799 A1Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences
- Compositions and methods for reducing agricultural inputs13 Feb 2025US 2025/0051244 A1
Most cited
By later US patents
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Method and apparatus for treating sumps30US 4,028,240 A1977
- Employing quicklime in stabilizing surface layers of the earth30US 4,329,090 A1982
- Employing quicklime in stabilizing earth25US 4,233,015 A1980
- Continuous mixing and injection of lime-fly ash slurry23US 4,871,283 AGKN Hayward Baker, Inc. · 1989