C08G 73/0677
With only two nitrogen atoms in the ring
Official title: {with only two nitrogen atoms in the ring}
C08G73/0677 (With only two nitrogen atoms in the ring) appears on 46 US grants and 34 published applications in this corpus.
Search patents in C08G- Granted patents
- 46
- Published applications
- 34
- Assignees
- 43
- Inventors
- 144
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 3 | 4 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aromatic polysulfone copolymers26 Dec 2023US 11,851,532 B2Ht Materials Corporation
- High temperature polyketone copolymers4 Jul 2023US 11,692,094 B2Ht Materials Corporation
- Semicrystalline poly(aryl ether ketone) copolymers16 May 2023US 11,649,323 B2Ht Materials Corporation
- Polymeric binder of polyacrylic acid, polyfunctional amine, and linking benzene ring29 Dec 2020US 10,875,964 B2Kabushiki Kaisha Toyota Jidoshokki
- PBI modification and cross-linking methods12 Nov 2019US 10,472,468 B2Whitefox Technologies Limited
- Reinforced ion-conducting membrane7 May 2026US 2026/0128341 A1Johnson Matthey Hydrogen Technologies Limited
- Photoactive material14 Mar 2024US 2024/0083915 A1Sumitomo Chemical Company, Limited
- A Method For Obtaining Polymer Nanoparticle Dispersion Solution And An N-Type Conductive Ink4 Jan 2024US 2024/0002689 A1n-Ink AB
- Polymer21 Dec 2023US 2023/0413659 A1Sumitomo Chemical Company, Limited
- N-type conductive composition comprising a rigid conjugated polymer26 Oct 2023US 2023/0340201 A1n-Ink AB
Most cited
By later US patents
- 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
- Antireflective coating compositions37US 8,329,387 B2AZ Electronic Materials USA Corp. · 2012
- Polyamide-imide and mica pulp particles and paper-like sheets made therefrom25US 4,060,451 ATeijin Limited · 1977
- Thienocoronene-imide semiconducting compounds and polymers17US 8,329,855 B2BASF SE · 2012