C08F 12/26
Nitrogen
C08F12/26 (Nitrogen) appears on 230 US grants and 207 published applications in this corpus.
Search patents in C08F- Granted patents
- 230
- Published applications
- 207
- Assignees
- 152
- Inventors
- 694
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 10 |
| 2011 | 2 | 8 |
| 2012 | 2 | 6 |
| 2013 | 8 | 9 |
| 2014 | 5 | 20 |
| 2015 | 9 | 12 |
| 2016 | 16 | 27 |
| 2017 | 13 | 22 |
| 2018 | 16 | 14 |
| 2019 | 22 | 14 |
| 2020 | 12 | 7 |
| 2021 | 6 | 7 |
| 2022 | 6 | 6 |
| 2023 | 8 | 6 |
| 2024 | 4 | 11 |
| 2025 | 3 | 6 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Formamide monomers and polymers synthesized therefrom22 Sep 2026US 12,741,928 B2Wisconsin Alumni Research Foundation
- Bio-electrode and method for manufacturing bio-electrode25 Aug 2026US 12,714,346 B2Shin-Etsu Chemical Co., Ltd.
- Nitro-substituted aromatic compounds for use in electrodes16 Jun 2026US 12,658,444 B2
- Materials for reducing acids from liquid phases2 Jun 2026US 12,643,971 B2The Board of Trustees of The University of Alabama
- Imidazoles and imidazolium cations with exceptional alkaline stability21 Apr 2026US 12,606,666 B2Cornell University
- Membranes2 Jul 2026US 2026/0183761 A1FUJIFILM Corporation
- Anion exchange membrane and method of preparing the same11 Jun 2026US 2026/0159656 A1Toray Advanced Materials Korea Inc.
- Guanidinium-based polyionic liquids and their use as additives for chemical mechanical planarization slurries12 Mar 2026US 2026/0071094 A1Versum Materials US, LLC
- Anion-exchange membrane and manufacturing method therefor22 Jan 2026US 2026/0021451 A1Toray Advanced Materials Korea Inc.
- Semiconductor photoresist composition and method of forming patterns using the composition15 Jan 2026US 2026/0016748 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Polymer for use as protective layers and other components in electrochemical cells50US 10,020,512 B2BASF SE · 2018
- Compound containing an oxamic acid group, a process for producing the compound, and a resin composition containing the compound35US 5,663,262 ANippon Paint Co., Ltd. · 1997
- Monomeric and polymeric cyclic amine and-halamine compounds35US 5,670,646 AAuburn University · 1997
- Monomeric and polymeric cyclic amine and N-halamine compounds29US 5,889,130 AAuburn University · 1999
- Polymers and oligomers of bile acid derivatives, process for their preparation and their use as pharmaceuticals28US 5,430,116 AHoechst Aktiengesellschaft · 1995