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C23G 1/063

Heterocyclic compounds

Official title: {heterocyclic compounds}

C23G1/063 (Heterocyclic compounds) appears on 18 US grants and 13 published applications in this corpus.

Search patents in C23G

Granted patents: 18
Published applications: 13
Assignees: 17
Inventors: 48
Latest grant: 12 Aug 2025

Filings by year

C23G 1/063: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	1	0
1979	0	0
1980	0	0
1981	0	0
1982	2	0
1983	1	0
1984	0	0
1985	0	0
1986	1	0
1987	0	0
1988	0	0
1989	1	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	2	0
2001	0	0
2002	1	0
2003	1	0
2004	0	0
2005	0	0
2006	0	1
2007	0	0
2008	0	0
2009	0	0
2010	1	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	1
2016	0	1
2017	0	0
2018	0	0
2019	0	1
2020	0	1
2021	2	2
2022	1	2
2023	1	2
2024	1	2
2025	1	0

By publication year. Applications have been published since 2001.

Recent patents

Etchant12 Aug 2025US 12,384,967 B2Dongwoo Fine-Chem Co., Ltd.
Metal cleaning compositions comprising furoate esters and uses therefor21 May 2024US 11,987,892 B2North American Products Group, LLC
Method for inhibiting metal corrosion during acid cleaning or pickling8 Aug 2023US 11,718,918 B2King Fahd University of Petroleum and Minerals
Corrosion inhibitor composition and methods of inhibiting corrosion during acid pickling9 Aug 2022US 11,408,079 B2King Fahd University of Petroleum and Minerals
Acid-pickling additive for surface oxide scale of stainless steel material, preparation method thereof, and acid-pickling method17 Aug 2021US 11,091,843 B2ADD New Technology Development (Shanxi) Co., LTD.

Most cited

By later US patents