C09B 5/2436
Only nitrogen-containing hetero rings
Official title: {only nitrogen-containing hetero rings}
C09B5/2436 (Only nitrogen-containing hetero rings) appears on 25 US grants and 13 published applications in this corpus.
Search patents in C09B- Granted patents
- 25
- Published applications
- 13
- Assignees
- 18
- Inventors
- 76
- Latest grant
- 10 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
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| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
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| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 3 |
| 2019 | 4 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of using nucleotide analogues10 Jan 2023US 11,548,909 B2IsoPlexis Corporation
- Methods for synthesizing nucleotide analogues with disulfide linkers14 Sep 2021US 11,117,921 B2IsoPlexis Corporation
- Nucleotide analogues29 Jun 2021US 11,046,726 B2Qiagen Sciences, LLC
- Methods for synthesizing nucleotide analogues with disulfide linkers2 Jul 2019US 10,336,785 B2Qiagen Sciences, LLC
- Nucleotide analogues28 May 2019US 10,301,346 B2Qiagen Sciences, LLC
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Nucleotide analogues26 May 2022US 2022/0162251 A1IsoPlexis Corporation
- Methods for Synthesizing Nucleotide Analogues with Disulfide Linkers12 Dec 2019US 2019/0375777 A1Qiagen Sciences, LLC
- Methods of using nucleotide analogues27 Sep 2018US 2018/0274025 A1Intelligent BioSystems, Inc.
- Novel dyes with phosphinic acid, phosphinate, phosphonate and phosphonamidate substituents as auxochromic groups and methods for preparing the same9 Aug 2018US 2018/0223102 A1MAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V
Most cited
By later US patents
- Helichromic-smectic liquid crystal compositions and display cells22US 4,514,045 AMinnesota Mining and Manufacturing Company · 1985
- Methods of using nucleotide analogues21US 10,273,539 B2Qiagen Sciences, LLC · 2019
- Methods for synthesizing nucleotide analogues with disulfide linkers19US 10,336,785 B2Qiagen Sciences, LLC · 2019
- Disperse dyes which are convertible into a thermomigration fast form15US 5,116,958 ACiba-Geigy Corporation · 1992
- Dichroic liquid crystal compositions containing anthraquinone-based dyes11US 4,356,102 AGeneral Electric Company · 1982