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C01G 21/14

Carbonates

C01G21/14 (Carbonates) appears on 15 US grants and 14 published applications in this corpus.

Search patents in C01G

Granted patents: 15
Published applications: 14
Assignees: 13
Inventors: 38
Latest grant: 14 Dec 2021

Filings by year

C01G 21/14: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	2	0
1978	0	0
1979	0	0
1980	0	0
1981	2	0
1982	1	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	1
2007	0	0
2008	0	3
2009	0	0
2010	0	3
2011	2	0
2012	3	0
2013	1	1
2014	0	0
2015	0	0
2016	0	1
2017	1	1
2018	1	1
2019	0	0
2020	0	2
2021	2	0
2022	0	0
2023	0	0
2024	0	1

By publication year. Applications have been published since 2001.

Recent patents

Method of pretreatment and bromine recovery of PCB incineration ash14 Dec 2021US 11,198,615 B2Beijing University of Technology
Systems and methods for producing potassium sulfate6 Apr 2021US 10,968,144 B2Marsulex Environmental Technologies Corporation
Method for recovering lead oxide from waste lead paste20 Nov 2018US 10,135,100 B2Beijing University of Chemical Technology
Methods and systems using electrochemical cells for processing metal sulfate compounds from mine waste and sequestering CO24 Jul 2017US 9,695,050 B2Terra CO2 Technologies Ltd.
Process for producing basic lead carbonate29 Oct 2013US 8,568,670 B2Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co., Ltd.

Most cited

By later US patents