C08F 22/22
Esters containing nitrogen
C08F22/22 (Esters containing nitrogen) appears on 64 US grants and 61 published applications in this corpus.
Search patents in C08F- Granted patents
- 64
- Published applications
- 61
- Assignees
- 47
- Inventors
- 163
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 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 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 4 | 5 |
| 2018 | 3 | 5 |
| 2019 | 4 | 1 |
| 2020 | 2 | 10 |
| 2021 | 3 | 7 |
| 2022 | 8 | 9 |
| 2023 | 5 | 4 |
| 2024 | 8 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical element, optical apparatus, imaging apparatus, and compound20 Jan 2026US 12,529,822 B2Canon Kabushiki Kaisha
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching7 Oct 2025US 12,435,166 B2Trustees of Dartmouth College
- Cell adhesion sheet14 Jan 2025US 12,195,579 B2FUJIFILM Corporation
- Photocurable compositions for stereolithography, method of forming the compositions, stereolithography methods using the compositions, polymer components formed by the stereolithography methods, and a device including the polymer components31 Dec 2024US 12,180,313 B2Rogers Corporation
- Methods of making polymers and metal-polymer composites10 Dec 2024US 12,163,051 B2Cirrus Materials Science Ltd
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Radiation-sensitive composition and method for forming resist pattern23 Jul 2026US 2026/0211327 A1Jsr Corporation
- Low-volatility radiation curable compositions for coating optical fibers2 Jul 2026US 2026/0184954 A1Covestro LLC
- Optical element, optical apparatus, imaging apparatus, and compound23 Apr 2026US 2026/0110823 A1Canon Kabushiki Kaisha
- Dynamic Covalent Chemistry of Spiropyrans for Synthesis of Photoswitchable Photoinitiators and Uses Thereof, and Process for Locally Polymerizing a Starting Material by Dual Color Photopolymerization16 Apr 2026US 2026/0102962 A1xolo GmbH
Most cited
By later US patents
- Isomaltamines and their N-acyl derivatives, methods for their production, and their uses as surfactants and monomers23US 4,843,154 ASueddeutsche Zucker-Aktiengesellschaft · 1989
- Polymerizable carbamoyloxyalkyldicarboxylic acid esters carrying hydroxyl groups, a process for their preparation and their use12US 4,705,885 AHoechst Aktiengesellschaft · 1987
- Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions11US 5,047,489 ACiba-Geigy Corporation · 1991
- Compositions and articles comprising polymerizable ionic liquid mixture, and methods of curing11US 8,816,029 B23M Innovative Properties Company · 2014
- Ureido-functional adhesion promoting amide monomers9US 4,599,417 ADeSoto, Inc. · 1986