C08J 2479/02
Polyamines
C08J2479/02 (Polyamines) appears on 103 US grants and 153 published applications in this corpus.
Search patents in C08J- Granted patents
- 103
- Published applications
- 153
- Assignees
- 106
- Inventors
- 388
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 6 |
| 2016 | 4 | 11 |
| 2017 | 5 | 8 |
| 2018 | 11 | 12 |
| 2019 | 5 | 9 |
| 2020 | 10 | 19 |
| 2021 | 14 | 10 |
| 2022 | 14 | 19 |
| 2023 | 7 | 15 |
| 2024 | 16 | 14 |
| 2025 | 10 | 9 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxygen barrier coating as a separation layer coating26 May 2026US 12,636,865 B2Sun Chemical Corporation
- Maintaining suitable sealability and hot tack strengths of acrylic- and acetate-based coatings when using base films containing HCR to improve their water-vapor barriers13 Jan 2026US 12,521,969 B2JFE Innovation Center SRL
- Barrier laminate, heat sealing laminate including barrier laminate, and packaging container with heat sealing laminate16 Dec 2025US 12,497,688 B2Dai Nippon Printing Co.Ltd.
- Nanocomposite particles and methods of making and using same25 Nov 2025US 12,479,977 B2Kinneret Academic College
- Cellulosic particle4 Nov 2025US 12,460,054 B2FUJIFILM Business Innovation Corp.
- Direct Laser Processing and Functionalizing Polymer Composites for an On-Demand, Programmable, Recyclable Device Platform24 Sep 2026US 2026/0286079 A1The Penn State Research Foundation
- Flexible and semi-rigid polyimide comprising foams with superior heat resistance17 Sep 2026US 2026/0275063 A1Huntsman International LLC
- Gas barrier coating material and gas barrier laminate20 Aug 2026US 2026/0242631 A1Rm Tohcello Co., Ltd.
- Recovery method for water soluble fluoropolymer9 Jul 2026US 2026/0193438 A1Daikin Industries, Ltd.
- Polyaniline-polyoxometalate hybrid coatings4 Jun 2026US 2026/0152648 A1
Most cited
By later US patents
- Process for the preparation of surface modified solid substrates59US 5,213,898 ANorsk Hydro A/S · 1993
- Nanovoided tunable optics39US 11,107,972 B2Facebook Technologies, LLC · 2021
- Ion selective membrane with ionophores18US 11,020,713 B2Magna Imperio Systems Corp. · 2021
- Planarization layers for nanovoided polymers14US 11,025,175 B1Facebook Technologies, LLC · 2021
- Waveguide with switchable input10US 11,022,856 B1Facebook Technologies, LLC · 2021