C12P 17/165
Heterorings having nitrogen atoms as the only ring heteroatoms
Official title: {Heterorings having nitrogen atoms as the only ring heteroatoms}
C12P17/165 (Heterorings having nitrogen atoms as the only ring heteroatoms) appears on 148 US grants and 171 published applications in this corpus.
Search patents in C12P- Granted patents
- 148
- Published applications
- 171
- Assignees
- 109
- Inventors
- 518
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 0 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 1 |
| 2011 | 4 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 6 |
| 2014 | 3 | 3 |
| 2015 | 3 | 4 |
| 2016 | 10 | 11 |
| 2017 | 8 | 8 |
| 2018 | 6 | 15 |
| 2019 | 8 | 12 |
| 2020 | 13 | 16 |
| 2021 | 15 | 9 |
| 2022 | 9 | 16 |
| 2023 | 8 | 12 |
| 2024 | 8 | 11 |
| 2025 | 9 | 10 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gene combination for expressing and producing terrequinone A in Escherichia coli and use thereof25 Aug 2026US 12,716,069 B2Shanghai Academy of Agricultural Sciences
- Quaternary tryptamines and their therapeutic uses16 Jun 2026US 12,655,102 B2Caamtech, Inc.
- Selection and use of melatonin supporting bacteria to reduce infantile colic2 Jun 2026US 12,642,830 B2Biogaia AB
- Method of dyeing fabric using microorganisms17 Mar 2026US 12,577,728 B2Colorifix Limited
- Alkaliphilic consortium shifting for production of phycocyanins and biochemicals17 Feb 2026US 12,552,842 B2Synergia Biotech Inc.
- Enzymes and Uses in Biocatalytic Halogenation of N-Heteroaryls Thereof10 Sep 2026US 2026/0265798 A1
- Biosynthesis of 3-indoxyl phosphate from 3-hydroxyindole using kinases and indigo dyeing method using the same13 Aug 2026US 2026/0234679 A1Seoul National University R&Db Foundation
- Preparation method and application of a chiral amine compound and its salts6 Aug 2026US 2026/0226520 A1Tongli Biomedical Co., Ltd.
- Method of dyeing fabric using microorganisms6 Aug 2026US 2026/0226675 A1Colorifix Limited
- Pigment prepared by using microorganisms and method for preparing same30 Jul 2026US 2026/0218258 A1Cosmax, Inc.
Most cited
By later US patents
- Microbial production of indigo28US 4,520,103 AAmgen Inc. · 1985
- Hydroxylation techniques18US 11,618,906 B2Hypha Discovery Limited · 2023
- Engineered imine reductases and methods for the reductive animation of ketone and amine compounds16US 9,193,957 B2Codexis, Inc. · 2015
- Engineered imine reductases and methods for the reductive amination of ketone and amine compounds15US 9,487,760 B2Codexis, Inc. · 2016
- Polynucleotides encoding engineered imine reductases15US 9,695,451 B2Codexis, Inc. · 2017