C07D 409/02
Containing two hetero rings
Official title: containing two hetero rings
C07D409/02 (Containing two hetero rings) appears on 11,491 US grants and 12,170 published applications in this corpus.
Search patents in C07D- Granted patents
- 11,491
- Published applications
- 12,170
- Assignees
- 3,096
- Inventors
- 29,332
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 16 | 0 |
| 1978 | 13 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 15 | 0 |
| 1984 | 38 | 0 |
| 1985 | 68 | 0 |
| 1986 | 67 | 0 |
| 1987 | 91 | 0 |
| 1988 | 121 | 0 |
| 1989 | 124 | 0 |
| 1990 | 130 | 0 |
| 1991 | 162 | 0 |
| 1992 | 158 | 0 |
| 1993 | 179 | 0 |
| 1994 | 146 | 0 |
| 1995 | 169 | 0 |
| 1996 | 191 | 0 |
| 1997 | 259 | 0 |
| 1998 | 257 | 0 |
| 1999 | 221 | 0 |
| 2000 | 243 | 0 |
| 2001 | 257 | 61 |
| 2002 | 318 | 298 |
| 2003 | 299 | 490 |
| 2004 | 259 | 681 |
| 2005 | 251 | 610 |
| 2006 | 329 | 586 |
| 2007 | 314 | 603 |
| 2008 | 341 | 519 |
| 2009 | 407 | 671 |
| 2010 | 443 | 655 |
| 2011 | 422 | 540 |
| 2012 | 433 | 480 |
| 2013 | 474 | 472 |
| 2014 | 472 | 530 |
| 2015 | 468 | 542 |
| 2016 | 402 | 489 |
| 2017 | 414 | 443 |
| 2018 | 363 | 423 |
| 2019 | 349 | 419 |
| 2020 | 326 | 455 |
| 2021 | 300 | 358 |
| 2022 | 257 | 392 |
| 2023 | 233 | 474 |
| 2024 | 222 | 384 |
| 2025 | 263 | 346 |
| 2026 | 160 | 249 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07D 409/12Linked by a chain containing hetero atoms as chain links6,192
- C07D 409/04Directly linked by a ring-member-to-ring-member bond3,649
- C07D 409/06Linked by a carbon chain containing only aliphatic carbon atoms2,128
- C07D 409/10Linked by a carbon chain containing aromatic rings887
- C07D 409/08Linked by a carbon chain containing alicyclic rings94
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Most cited
By later US patents
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