A61K 49/006
Biological staining of tissues in vivo
Official title: {Biological staining of tissues in vivo, e.g. methylene blue or toluidine blue O administered in the buccal area to detect epithelial cancer cells, dyes used for delineating tissues during surgery}
A61K49/006 (Biological staining of tissues in vivo) appears on 289 US grants and 447 published applications in this corpus.
Search patents in A61K- Granted patents
- 289
- Published applications
- 447
- Assignees
- 230
- Inventors
- 788
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 4 |
| 2002 | 14 | 18 |
| 2003 | 5 | 5 |
| 2004 | 5 | 14 |
| 2005 | 3 | 14 |
| 2006 | 9 | 17 |
| 2007 | 1 | 7 |
| 2008 | 2 | 11 |
| 2009 | 5 | 10 |
| 2010 | 7 | 13 |
| 2011 | 6 | 16 |
| 2012 | 7 | 8 |
| 2013 | 9 | 23 |
| 2014 | 4 | 15 |
| 2015 | 9 | 19 |
| 2016 | 22 | 35 |
| 2017 | 28 | 23 |
| 2018 | 14 | 28 |
| 2019 | 24 | 19 |
| 2020 | 15 | 27 |
| 2021 | 19 | 24 |
| 2022 | 11 | 20 |
| 2023 | 8 | 29 |
| 2024 | 13 | 24 |
| 2025 | 8 | 14 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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