C08G 73/0638
With at least three nitrogen atoms in the ring
Official title: {with at least three nitrogen atoms in the ring}
C08G73/0638 (With at least three nitrogen atoms in the ring) appears on 575 US grants and 431 published applications in this corpus.
Search patents in C08G- Granted patents
- 575
- Published applications
- 431
- Assignees
- 258
- Inventors
- 1,110
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 4 |
| 2002 | 8 | 2 |
| 2003 | 6 | 11 |
| 2004 | 9 | 12 |
| 2005 | 7 | 11 |
| 2006 | 6 | 9 |
| 2007 | 6 | 5 |
| 2008 | 6 | 7 |
| 2009 | 3 | 11 |
| 2010 | 3 | 13 |
| 2011 | 7 | 13 |
| 2012 | 8 | 13 |
| 2013 | 8 | 27 |
| 2014 | 11 | 27 |
| 2015 | 20 | 34 |
| 2016 | 29 | 39 |
| 2017 | 29 | 31 |
| 2018 | 27 | 27 |
| 2019 | 23 | 31 |
| 2020 | 34 | 16 |
| 2021 | 17 | 19 |
| 2022 | 12 | 16 |
| 2023 | 15 | 21 |
| 2024 | 17 | 10 |
| 2025 | 8 | 14 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, method for preparing same, and single molecule, oligomer and polymer derived from same29 Sep 2026US 12,747,216 B2LG Chem.Ltd.
- Pattern-forming composition1 Sep 2026US 12,724,350 B2Nissan Chemical Corporation
- Poly (melamine-co-oxalyl), methods of synthesizing and using same and articles treated with same18 Aug 2026US 12,709,661 B2State of Israel Prime Minister's Office Israel Institute for Biological Research
- Method for producing polymer4 Aug 2026US 12,698,361 B2Nissan Chemical Corporation
- Polymerized high-molecular-weight sterically hindered amine and preparation method thereof7 Jul 2026US 12,674,027 B2Beijing Tiangang Auxiliary Co., Ltd.
- Compound Of Q-CTF-OH Having Covalent Triazine Framework, Method Of Making The Same, Method Of Preparing Cathode Of Metal Ion Battery, And Metal Ion Battery24 Sep 2026US 2026/0286053 A1National Cheng Kung University
- Porous organic materials for iodine remediation in water10 Sep 2026US 2026/0265085 A1
- Resin composition and uses of the same13 Aug 2026US 2026/0234399 A1Taiwan Union Technology Corporation
- Resist underlayer film-forming composition23 Jul 2026US 2026/0211331 A1Nissan Chemical Corporation
- Cyanate esters as monomers in polymerizable compositions2 Jul 2026US 2026/0184828 A1Technische UniversitäT Wien
Most cited
By later US patents
- Novel polytriazine compounds135US 4,086,204 AChimosa Chimica Organica S.p.A. · 1978
- Mesogenic polycyanates and thermosets thereof123US 5,442,039 AThe Dow Chemical Company · 1995
- Mesogenic polycyanates and thermosets thereof86US 5,428,125 AThe Dow Chemical Company · 1995
- Dendritic macromolecule and the preparation thereof77US 5,530,092 ADsm N. V. · 1996
- Metal acetylacetonate/alkylphenol curing catalyst for polycyanate esters of polyhydric phenols75US 4,785,075 AInterez, Inc. · 1988