C07D 403/02
Containing two hetero rings
Official title: containing two hetero rings
C07D403/02 (Containing two hetero rings) appears on 17,050 US grants and 20,501 published applications in this corpus.
Search patents in C07D- Granted patents
- 17,050
- Published applications
- 20,501
- Assignees
- 4,494
- Inventors
- 39,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 25 | 0 |
| 1978 | 16 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 14 | 0 |
| 1984 | 27 | 0 |
| 1985 | 78 | 0 |
| 1986 | 75 | 0 |
| 1987 | 78 | 0 |
| 1988 | 85 | 0 |
| 1989 | 133 | 0 |
| 1990 | 126 | 0 |
| 1991 | 140 | 0 |
| 1992 | 147 | 0 |
| 1993 | 181 | 0 |
| 1994 | 174 | 0 |
| 1995 | 179 | 0 |
| 1996 | 228 | 0 |
| 1997 | 272 | 0 |
| 1998 | 257 | 0 |
| 1999 | 254 | 0 |
| 2000 | 192 | 0 |
| 2001 | 240 | 46 |
| 2002 | 305 | 297 |
| 2003 | 305 | 545 |
| 2004 | 273 | 758 |
| 2005 | 307 | 760 |
| 2006 | 406 | 682 |
| 2007 | 428 | 797 |
| 2008 | 378 | 794 |
| 2009 | 478 | 896 |
| 2010 | 635 | 950 |
| 2011 | 587 | 917 |
| 2012 | 675 | 793 |
| 2013 | 803 | 883 |
| 2014 | 832 | 888 |
| 2015 | 797 | 945 |
| 2016 | 718 | 976 |
| 2017 | 839 | 896 |
| 2018 | 742 | 874 |
| 2019 | 732 | 925 |
| 2020 | 717 | 1011 |
| 2021 | 631 | 848 |
| 2022 | 571 | 825 |
| 2023 | 512 | 1034 |
| 2024 | 494 | 904 |
| 2025 | 525 | 744 |
| 2026 | 394 | 513 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07D 403/12Linked by a chain containing hetero atoms as chain links8,867
- C07D 403/04Directly linked by a ring-member-to-ring-member bond5,630
- C07D 403/06Linked by a carbon chain containing only aliphatic carbon atoms3,482
- C07D 403/10Linked by a carbon chain containing aromatic rings2,429
- C07D 403/08Linked by a carbon chain containing alicyclic rings222
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Most cited
By later US patents
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