C01F 11/18
Carbonates
C01F11/18 (Carbonates) appears on 834 US grants and 1,046 published applications in this corpus.
Search patents in C01F- Granted patents
- 834
- Published applications
- 1,046
- Assignees
- 516
- Inventors
- 2,053
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 10 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 16 | 0 |
| 1995 | 2 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 3 |
| 2002 | 12 | 9 |
| 2003 | 8 | 19 |
| 2004 | 12 | 28 |
| 2005 | 5 | 23 |
| 2006 | 9 | 18 |
| 2007 | 14 | 25 |
| 2008 | 14 | 24 |
| 2009 | 7 | 29 |
| 2010 | 15 | 46 |
| 2011 | 17 | 35 |
| 2012 | 22 | 51 |
| 2013 | 30 | 45 |
| 2014 | 44 | 43 |
| 2015 | 44 | 53 |
| 2016 | 27 | 38 |
| 2017 | 34 | 55 |
| 2018 | 29 | 52 |
| 2019 | 40 | 39 |
| 2020 | 42 | 36 |
| 2021 | 31 | 49 |
| 2022 | 41 | 60 |
| 2023 | 40 | 64 |
| 2024 | 42 | 71 |
| 2025 | 36 | 67 |
| 2026 | 25 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01F 11/185After-treatment232
- C01F 11/181Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by223
- C01F 11/182Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by140
- C01F 11/186Strontium or barium carbonate52
- C01F 11/184Preparation of calcium carbonate by carbonation of solutions based on non-aqueous solvents13
Recent patents
- Method and apparatus for producing carbonate salts22 Sep 2026US 12,741,880 B2Nanomist Technologies Co., Ltd.
- Calcium carbonate sintered body and method for producing same, and bone grafting material8 Sep 2026US 12,729,128 B2Shiraishi Central Laboratories Co. Ltd.
- Oolitic aragonite beads and methods therefor25 Aug 2026US 12,714,654 B2Calcean Minerals and Materials, LLC
- Encapsulated amorphous calcium carbonate compositions25 Aug 2026US 12,714,726 B2Amorphical Ltd.
- Production of calcium carbonate via solid-state calcium hydroxide particles and carbon dioxide, and associated systems and methods18 Aug 2026US 12,709,547 B2Graymont (PA) Inc.
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Producing silica nanoparticles during mineral carbonation1 Oct 2026US 2026/0296902 A1Wisconsin Alumni Research Foundation
- Methods for carbon capture and metal recovery and related systems24 Sep 2026US 2026/0284595 A1Battelle Energy Alliance, LLC
- Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials17 Sep 2026US 2026/0274697 A1Davy Powersports Inc.
- Process for vaterite production via the carbonation of lime, and hydrated lime and alkaline ca-containing precursors17 Sep 2026US 2026/0274754 A1The Regents of the University of California
Most cited
By later US patents
- Plasma whirl reactor apparatus and methods of use164US 7,622,693 B2Foret Plasma Labs, LLC · 2009
- Methods of biomass pretreatment156US 5,865,898 AThe Texas A&M University System · 1999
- Sequestration of carbon dioxide146US 7,132,090 B2General Motors Corporation · 2006
- Multiple stream high pressure mixer/reactor106US 6,221,332 B1Microfluidics International Corporation · 2001
- Rocks and aggregate, and methods of making and using the same102US 7,914,685 B2Calera Corporation · 2011