C08F 212/26
Nitrogen
Official title: {Nitrogen}
C08F212/26 (Nitrogen) appears on 154 US grants and 174 published applications in this corpus.
Search patents in C08F- Granted patents
- 154
- Published applications
- 174
- Assignees
- 122
- Inventors
- 540
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 2 |
| 2010 | 3 | 4 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 3 | 7 |
| 2014 | 2 | 15 |
| 2015 | 8 | 12 |
| 2016 | 14 | 22 |
| 2017 | 10 | 12 |
| 2018 | 14 | 7 |
| 2019 | 18 | 7 |
| 2020 | 6 | 13 |
| 2021 | 2 | 10 |
| 2022 | 11 | 6 |
| 2023 | 6 | 5 |
| 2024 | 6 | 15 |
| 2025 | 6 | 8 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions and polymer films27 Jan 2026US 12,534,583 B2FUJIFILM Corporation
- Polystyrene-based polyampholyte having upper critical solution temperature, and application for same6 Jan 2026US 12,516,143 B2Tosoh Finechem Corporation
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching7 Oct 2025US 12,435,166 B2Trustees of Dartmouth College
- Polymer beads for oligonucleotide synthesis23 Sep 2025US 12,421,274 B1Agilent Technologies, Inc.
- Conductive polymer composition, substrate, and method for producing substrate26 Aug 2025US 12,398,288 B2Shin-Etsu Chemical Co., Ltd.
- Polymerizable composition, ion exchange resin, ion exchange membrane, membrane electrode assembly, and hydrogen production device8 Oct 2026US 2026/0308295 A1Tokuyama Corporation
- Ionic liquid-based composite membranes using functional cross-linkers16 Jul 2026US 2026/0199823 A1The Regents of the University of Colorado, a body corporate
- Monomer, polymer, chemically amplified resist composition, and pattern forming process25 Jun 2026US 2026/0176235 A1Shin-Etsu Chemical Co., Ltd.
- Amine containing copolymers via radical polymerization and methods of use thereof5 Feb 2026US 2026/0035493 A1Infineum International Limited
- Amine containing copolymers via emulsion polymerization and methods of use thereof5 Feb 2026US 2026/0035497 A1Infineum International Limited
Most cited
By later US patents
- Polymer for use as protective layers and other components in electrochemical cells50US 10,020,512 B2BASF SE · 2018
- Associative monomers and polymers33US 5,294,692 ANational Starch and Chemical Investment Holding Corporation · 1994
- Novel basic cross-linked polymers28US 4,311,799 AAsahi Kasei Kogyo Kabushiki Kaisha · 1982
- Cyclopropenium polymers and methods for making the same28US 9,758,606 B2The Trustees of Columbia University in the City of New York · 2017
- Photographic silver halide element containing new adhesion promoting polymeric materials and polyester support26US 4,695,532 AEastman Kodak Company · 1987