C08G 16/0268
Containing nitrogen in the ring
Official title: {containing nitrogen in the ring}
C08G16/0268 (Containing nitrogen in the ring) appears on 37 US grants and 16 published applications in this corpus.
Search patents in C08G- Granted patents
- 37
- Published applications
- 16
- Assignees
- 19
- Inventors
- 70
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- 3D-triptycene based microporous polymer as electrocatalyst for hydrogen evolution reaction16 Dec 2025US 12,497,704 B1King Fahd University of Petroleum and Minerals
- Resist underlayer film-forming composition containing indolocarbazole novolak resin4 Mar 2025US 12,242,196 B2Nissan Chemical Industries, Ltd.
- Resist underlayer film-forming composition containing indolocarbazole novolak resin8 Aug 2023US 11,720,024 B2Nissan Chemical Industries, Ltd.
- Hard-mask forming composition and method for manufacturing electronic component15 Feb 2022US 11,248,086 B2Tokyo Ohka Kogyo.Co., Ltd.
- Polymer, organic layer composition, and method of forming patterns11 Feb 2020US 10,556,986 B2Samsung SDI.Co., Ltd.
- Hardmask composition, hardmask layer, and method of forming patterns24 Jul 2025US 2025/0239451 A1Samsung SDI.Co., Ltd.
- Method for Synthesizing a Covalent Organic Framework Material27 Feb 2025US 2025/0066528 A1Yocof Material (Suzhou) Co., Ltd.
- Resist underlayer film-forming composition containing indolocarbazole novolak resin12 Oct 2023US 2023/0324802 A1Nissan Chemical Industries, Ltd.
- Resist underlayer film-forming composition containing indolocarbazole novolak resin22 Dec 2022US 2022/0404707 A1Nissan Chemical Industries, Ltd.
- Hard-mask forming composition and method for manufacturing electronic component6 May 2021US 2021/0132498 A1Tokyo Ohka Kogyo.Co., Ltd.
Most cited
By later US patents
- Addition curing polystyryl pyridine17US 4,362,860 ARockwell International Corporation · 1982
- Thermosetting polymers and prepolymers and a process for making them by polycondensation of a pyridine having at least three methyl substituants13US 3,994,862 AOffice National d'Etudes et de Recherches Aerospatiales (O.N.E.R.A.) · 1976
- Process for the preparation of polystyrylpyridine11US 4,163,740 ASociete Nationale des Poudres et Explosifs · 1979
- Process for the prepartion of vinylpolystyrylpyridine compounds11US 4,471,107 AAmerican Cyanamid Company · 1984
- Electrically conducting complexes of poly (3,6-N-alkylcarbazolyl alkenes) and method of making11US 4,548,738 AHoneywell Inc. · 1985