C07D 291/06
Six-membered rings
C07D291/06 (Six-membered rings) appears on 108 US grants and 102 published applications in this corpus.
Search patents in C07D- Granted patents
- 108
- Published applications
- 102
- Assignees
- 57
- Inventors
- 180
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 6 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 4 |
| 2012 | 5 | 5 |
| 2013 | 1 | 8 |
| 2014 | 9 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 4 | 3 |
| 2018 | 6 | 11 |
| 2019 | 6 | 6 |
| 2020 | 9 | 11 |
| 2021 | 6 | 7 |
| 2022 | 2 | 2 |
| 2023 | 5 | 6 |
| 2024 | 3 | 5 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Antimicrobial and anticancer agents28 Apr 2026US 12,612,375 B2Persevere Therapeutics Inc.
- Processes for preparing oxathiazin-like compounds27 Jan 2026US 12,534,443 B2Geistlich Pharma AG
- O-substituted serine derivative production method27 May 2025US 12,312,297 B2Chugai Seiyaku Kabushiki Kaisha
- Carbon monoxide prodrugs for the treatment of medical disorders27 Aug 2024US 12,071,415 B2Georgia State University Research Foundation, Inc.
- Processes for preparing oxathiazin-like compounds4 Jun 2024US 11,999,709 B2Geistlich Pharma AG
- O-substituted serine derivative production method21 Aug 2025US 2025/0263365 A1Chugai Seiyaku Kabushiki Kaisha
- Method for selecting additive for suppressing nitrosation reaction, and formulation for suppressing generation of nitroso compounds14 Aug 2025US 2025/0255965 A1Sawai Pharmaceutical Co., Ltd.
- Salts of Ruxolitinib and Crystalline Forms Thereof16 Jan 2025US 2025/0019346 A1Apotex Inc.
- Carbon monoxide prodrugs for the treatment of medical disorders28 Nov 2024US 2024/0391886 A1Georgia State University Research Foundation, Inc.
- Processes for preparing oxathiazin-like compounds7 Nov 2024US 2024/0368097 A1Geistlich Pharma AG
Most cited
By later US patents
- Pharmaceutical tramadol salts69US 6,723,343 B2Gruenenthal GmbH · 2004
- Antibacterial and antifouling oxathiazines and their oxides34US 5,712,275 AJanssen Pharmaceutica NV · 1998
- Process for the preparation of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide33US 4,876,341 AHoechst Aktiengesellschaft · 1989
- Process for the preparation of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and its non-toxic salts30US 4,607,100 AHoechst Aktiengesellschaft · 1986
- Process for the preparation of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one 2,2-dioxide and its non-toxic salts, and the acetoacetamide-N-sulfonic acid (salts) which occur as intermediate(s) in this process30US 5,103,046 AHoechst Aktiengesellschaft · 1992