C01F 11/182
Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by
Official title: {Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds}
C01F11/182 (Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by) appears on 140 US grants and 167 published applications in this corpus.
Search patents in C01F- Granted patents
- 140
- Published applications
- 167
- Assignees
- 90
- Inventors
- 372
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 5 |
| 2004 | 3 | 8 |
| 2005 | 0 | 4 |
| 2006 | 3 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 7 |
| 2010 | 5 | 5 |
| 2011 | 2 | 4 |
| 2012 | 2 | 5 |
| 2013 | 2 | 8 |
| 2014 | 6 | 1 |
| 2015 | 10 | 8 |
| 2016 | 0 | 6 |
| 2017 | 6 | 10 |
| 2018 | 5 | 16 |
| 2019 | 7 | 5 |
| 2020 | 5 | 7 |
| 2021 | 9 | 12 |
| 2022 | 6 | 3 |
| 2023 | 5 | 15 |
| 2024 | 9 | 9 |
| 2025 | 4 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials16 Jun 2026US 12,655,030 B2Davy Powersports Inc.
- Process for producing precipitated calcium carbonate in the presence of natural ground calcium carbonate19 May 2026US 12,630,438 B2Omya International AG
- Two stages extraction method for synthesizing precipitated calcium carbonate19 May 2026US 12,630,439 B2R-S Osa Service Oü
- Carbon dioxide capture composite particles and method of producing the same7 Apr 2026US 12,594,540 B2Postech Research and Business Development Foundation
- Recovering a caustic solution via calcium carbonate crystal aggregates24 Mar 2026US 12,583,756 B2Carbon Engineering ULC
- 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
- Recovering a caustic solution via calcium carbonate crystal aggregates10 Sep 2026US 2026/0265074 A1Carbon Engineering ULC
- Carbonate Aggregates and Methods of Making and Using the Same20 Aug 2026US 2026/0242283 A1
Most cited
By later US patents
- Methods and systems for utilizing waste sources of metal oxides97US 7,754,169 B2Calera Corporation · 2010
- Acicular calcite and aragonite calcium carbonate59US 6,071,336 AMinerals Technologies Inc. · 2000
- Spherically shaped precipitated calcium carbonate, its preparation and use48US 4,714,603 APfizer Inc. · 1987
- Precipitated calcium carbonate particles from basic calcium carbonate33US 6,312,659 B12001
- Process for producing calcium carbonate and products thereof32US 4,888,160 AJ. M. Huber Corporation · 1989