C12P 17/188
Heterocyclic compound containing in the condensed system at least one hetero ring
Official title: {Heterocyclic compound containing in the condensed system at least one hetero ring having nitrogen atoms and oxygen atoms as the only ring heteroatoms (ergot-alcaloids C12P17/183)}
C12P17/188 (Heterocyclic compound containing in the condensed system at least one hetero ring) appears on 320 US grants and 244 published applications in this corpus.
Search patents in C12P- Granted patents
- 320
- Published applications
- 244
- Assignees
- 160
- Inventors
- 762
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 10 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 1 |
| 2002 | 7 | 7 |
| 2003 | 8 | 15 |
| 2004 | 4 | 11 |
| 2005 | 3 | 16 |
| 2006 | 5 | 12 |
| 2007 | 11 | 8 |
| 2008 | 7 | 11 |
| 2009 | 6 | 13 |
| 2010 | 5 | 11 |
| 2011 | 7 | 7 |
| 2012 | 4 | 11 |
| 2013 | 4 | 6 |
| 2014 | 7 | 7 |
| 2015 | 10 | 9 |
| 2016 | 7 | 10 |
| 2017 | 11 | 12 |
| 2018 | 9 | 5 |
| 2019 | 8 | 10 |
| 2020 | 7 | 9 |
| 2021 | 5 | 11 |
| 2022 | 6 | 10 |
| 2023 | 6 | 13 |
| 2024 | 5 | 6 |
| 2025 | 13 | 8 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Endophytic bacterial strain for preparing camptothecin and preparation method of camptothecin30 Dec 2025US 12,509,710 B2Zhejiang Chinese Medical Universiyt
- Biological degradation of low-rank coals23 Dec 2025US 12,503,714 B2Tenfold Technologies, LLC
- Tropane alkaloid (TA) producing non-plant host cells, and methods of making and using the same25 Nov 2025US 12,480,131 B2The Board of Trustees of the Leland Stanford Junior University
- Method for enzymatically producing maytansinol18 Nov 2025US 12,473,579 B2Microbiopharm Japan Co., Ltd.
- Polynucleotides encoding engineered imine reductases23 Sep 2025US 12,421,532 B2Codexis, Inc.
- Tropane Alkaloid (TA) Producing Non-Plant Host Cells, and Methods of Making and Using the Same17 Sep 2026US 2026/0275357 A1The Board of Trustees of the Leland Stanford Junior University
- Methods of producing morphinan alkaloids and derivatives27 Aug 2026US 2026/0250729 A1Antheia, Inc.
- Biological degradation of low-rank coals6 Aug 2026US 2026/0226521 A1Tenfold Technologies, LLC
- Genetically modified benzylisoquinoline alkaloid-producing host cells with modified efflux transporter gene expression18 Jun 2026US 2026/0168000 A1River Stone Biotech Aps
- Compound Library and Method for Producing Compound Library19 Feb 2026US 2026/0049343 A1The University of Tokyo
Most cited
By later US patents
- Fermentation process of preparing demethyl maytansinoids304US 4,361,650 ATakeda Chemical Industries, Ltd. · 1982
- Maytansinoids302US 4,322,348 ATakeda Chemical Industries, Ltd. · 1982
- Maytansinoids302US 4,331,598 ATakeda Chemical Industries, Ltd. · 1982
- Demethyl maytansinoids301US 4,307,016 ATakeda Chemical Industries, Ltd. · 1981
- Maytansinoid compound300US 4,362,663 ATakeda Chemical Industries, Ltd. · 1982