C08F 18/22
Esters containing nitrogen
C08F18/22 (Esters containing nitrogen) appears on 20 US grants and 15 published applications in this corpus.
Search patents in C08F- Granted patents
- 20
- Published applications
- 15
- Assignees
- 15
- Inventors
- 54
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching7 Oct 2025US 12,435,166 B2Trustees of Dartmouth College
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching21 May 2024US 11,987,654 B2Trustees of Dartmouth College
- Polymer glass transition temperature manipulation via Z/E hydrazone photoswitching31 Jan 2023US 11,566,089 B2Trustees of Dartmouth College
- Biocompatible, biomimetic ampholyte materials9 Apr 2019US 10,251,982 B2BioInteractions Ltd.
- Binder composition for secondary battery electrode-use, slurry composition for secondary battery electrode-use, electrode for secondary battery-use, and secondary battery19 Feb 2019US 10,211,461 B2Zeon Corporation
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching29 Aug 2024US 2024/0287218 A1Trustees of Dartmouth College
- Method for inerting clays in hydraulic compositions intended for the construction industry1 Feb 2024US 2024/0034678 A1Snf Group
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching27 Apr 2023US 2023/0125498 A1Trustees of Dartmouth College
- Polymer glass transition temperature manipulation via z/e hydrazone photoswitching18 Mar 2021US 2021/0079134 A1Trustees of Dartmouth College
- Oxalate ester - polyamine thermosetting compositions13 Dec 2018US 2018/0355230 A13M Innovative Properties Company
Most cited
By later US patents
- UV crosslinking compound, alignment film for LCD component and LCD component40US 5,705,096 AAlps Electric Co., Ltd. · 1998
- Highly refractive urethane polymers for use in optical lenses and lenses prepared therefrom15US 4,443,588 AToray Industries, Inc. · 1984
- Resin for high-refractivity lenses and lenses made of same resin10US 4,522,993 AMitsui Toatsu Chemicals, Inc. · 1985
- Aromatic imidodicarboxylic acid diallyl esters, prepolymers thereof, cured resins thereof, and processes for producing these8US 3,931,224 ATeijin Limited · 1976
- Resin for high-refractivity lenses8US 4,632,969 AMitsui Toatsu Chemicals, Inc. · 1986