C12P 29/00
Preparation of compounds containing a naphthacene ring system
Official title: Preparation of compounds containing a naphthacene ring system, e.g. tetracycline (C12P19/00 takes precedence)
C12P29/00 (Preparation of compounds containing a naphthacene ring system) appears on 28 US grants and 10 published applications in this corpus.
Search patents in C12P- Granted patents
- 28
- Published applications
- 10
- Assignees
- 21
- Inventors
- 95
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods for selecting microbes from a diverse genetically modified library to detect and optimize the production of metabolites14 Mar 2023US 11,603,528 B2President and Fellows of Harvard College
- Methods for selecting microbes from a diverse genetically modified library to detect and optimize the production of metabolites4 Feb 2020US 10,550,384 B2President and Fellows of Harvard College
- System and method for the heterologous expression of polyketide synthase gene clusters29 Apr 2014US 8,709,781 B2Syracuse University
- Adenosylmethionine synthetase from streptomyces sp., gene sequences coding the same and method for mass production of secondary metabolites including antibiotics thereof23 Feb 2010US 7,666,631 B2
- Process and apparatus for the preparation of chlortetracycline-containing animal feed compositions17 Mar 2009US 7,504,112 B1Pennfield Oil Company
- Method for improving production of streptomyces polyketide compounds23 Feb 2023US 2023/0056311 A1East China University of Science and Technology
- Methods for engineering therapeutics and uses thereof5 Jan 2023US 2023/0000934 A1The Trustees of Columbia University in the City of New York
- Methods For Selecting Microbes From A Diverse Genetically Modified Library to Detect and Optimize the Production of Metabolites9 Jul 2020US 2020/0216835 A1President and Fellows of Harvard College
- Antibiotic fiirv 104/18 complex and the isolated individual factors thereof3 Jan 2019US 2019/0002942 A1Fondazione Istituto Insubrico di Ricerca per la Vita
- Methods For Selecting Microbes From A Diverse Genetically Modified Library to Detect and Optimize the Production of Metabolites21 Jan 2016US 2016/0017317 A1President and Fellows of Harvard College
Most cited
By later US patents
- Chlortetracycline-containing animal feed compositions and methods for their use16US 6,506,402 B1Pennfield Oil Company · 2003
- Cloning of the biosynthetic pathway for chlortetracycline and tetracycline formation and cosmids useful therein8US 5,589,385 AAmerican Cyanamid Company · 1996
- Anthracyclinones and derivatives thereof7US 4,329,339 AHoffmann-La Roche Inc. · 1982
- Particulate animal feed supplements and processes for the preparation thereof4US 6,761,899 B1Pennfield Oil Company · 2004
- Process and apparatus for the preparation of chlortetracycline-containing animal feed compositions4US 6,773,717 B1Pennfield Oil Company · 2004